{"id":582,"date":"2021-05-31T03:39:00","date_gmt":"2021-05-31T03:39:00","guid":{"rendered":"https:\/\/class12.studyguruji.in\/?p=582"},"modified":"2023-10-20T18:41:33","modified_gmt":"2023-10-20T18:41:33","slug":"3-%e0%a4%b5%e0%a5%88%e0%a4%a6%e0%a5%8d%e0%a4%af%e0%a5%81%e0%a4%a4%e0%a4%b0%e0%a4%b8%e0%a4%be%e0%a4%af%e0%a4%a8-2","status":"publish","type":"post","link":"https:\/\/class12.studyguruji.in\/?p=582","title":{"rendered":"3. \u0935\u0948\u0926\u094d\u092f\u0941\u0924\u0930\u0938\u093e\u092f\u0928"},"content":{"rendered":"

1.\u00a0\u0928\u093f\u092e\u094d\u0928\u0932\u093f\u0916\u093f\u0924 \u092e\u0947\u0902 \u0938\u0947 \u0915\u094c\u0928 \u0926\u094d\u0935\u093f\u0924\u0940\u092f\u0915 (<\/span>secondary)\u00a0\u0938\u0947\u0932 \u0939\u0948\u0902\u0964<\/span><\/span><\/b><\/p>\n

(A)\u00a0\u0932\u0947\u0915\u0932\u0949\u091a \u0938\u0947\u0932<\/span>
\n(B)\u00a0\u0932\u0947\u0921 \u0938\u094d\u091f\u094b\u0930\u0947\u091c \u092c\u0948\u091f\u0930\u0940<\/span><\/span>\u00a0\u2713<\/span><\/b>
\n(C)\u00a0\u0938\u093e\u0928\u094d\u0926\u094d\u0930\u0923 \u0938\u0947\u0932<\/span>
\n(D)\u00a0\u0907\u0928\u092e\u0947\u0902 \u0938\u0947 \u0915\u094b\u0908 \u0928\u0939\u0940\u0902<\/span><\/span><\/span><\/p>\n

\u00a0<\/span><\/span><\/b><\/p>\n

2.\u00a0\u0926\u094d\u0930\u0935\u093f\u0924 \u0938\u094b\u0921\u093f\u092f\u092e \u0915\u094d\u0932\u094b\u0930\u093e\u0907\u0921 \u0915\u0947 \u0935\u093f\u0927\u0941\u0924 \u0905\u092a\u0918\u091f\u0928 \u0938\u0947 \u0915\u0948\u0925\u094b\u0921 \u092a\u0930 \u092e\u0941\u0915\u094d\u0924 \u0939\u094b\u0924\u093e \u0939\u0948<\/span><\/span><\/b><\/span><\/p>\n

(A)\u00a0\u0915\u094d\u0932\u094b\u0930\u0940\u0928<\/span>
\n(B)\u00a0\u0938\u094b\u0921\u093f\u092f\u092e<\/span><\/span>\u00a0\u2713<\/span><\/b>
\n(C)\u00a0\u0938\u094b\u0921\u093f\u092f\u092e-\u0905\u092e\u0932\u0917\u092e<\/span>
\n(D)\u00a0\u0939\u093e\u0907\u0921\u094d\u0930\u094b\u091c\u0928<\/span><\/span><\/span><\/p>\n

\u00a0<\/span><\/span><\/b><\/p>\n

3.\u00a0\u0935\u0948\u0927\u0942\u0924 \u0905\u092a\u0918\u091f\u0928 \u0915\u0940 \u0915\u094d\u0930\u093f\u092f\u093e \u092e\u0947\u0902 \u0915\u0948\u0925\u094b\u0921 \u092a\u0930 \u0939\u094b\u0924\u093e \u0939\u0948<\/span>\u00a0?<\/span><\/b><\/span><\/p>\n

(A)\u00a0\u0906\u0915\u094d\u0938\u093e\u0902\u0915\u0930\u0923<\/span>
\n(B)\u00a0\u0905\u0935\u0915\u0930\u0923<\/span><\/span>\u00a0\u2713<\/span><\/b>
\n(C)\u00a0\u0935\u093f\u0918\u091f\u0928<\/span>
\n(D)\u00a0\u091c\u0932 \u0905\u092a\u0918\u091f\u0928<\/span><\/span><\/span><\/p>\n

\u00a0<\/span><\/p>\n

4.\u00a0\u0915\u093f\u0938\u0940<\/span>\u00a0Mercury\u00a0\u0938\u0947\u0932 \u092e\u0947\u0902 \u0915\u094c\u0928-\u0938\u093e \u092a\u0926\u093e\u0930\u094d\u0925 \u0928\u0939\u0940\u0902 \u0939\u094b\u0924\u093e \u0939\u0948<\/span><\/span><\/b><\/span><\/p>\n

(A) Hgo
\n(B) KOH
\n(C) Zn
\n(D) HgCl2<\/sub><\/span>\u00a0\u2713<\/span><\/b><\/span><\/p>\n

\u00a0<\/span><\/span><\/b><\/p>\n

5.\u00a0\u092a\u094d\u0932\u0948\u091f\u093f\u0928\u092e \u0907\u0932\u0947\u0915\u094d\u091f\u094d\u0930\u094b\u0921 \u092a\u0930 \u0906\u092f\u0928 \u092a\u0939\u0932\u0947 \u0905\u092a\u091a\u092f\u093f\u0924 \u0939\u094b\u0924\u093e \u0939\u0948\u0964<\/span><\/span><\/b><\/span><\/p>\n

(A) Zn\u00a0++\u00a0<\/sup>\u0938\u0947<\/span><\/span>\u00a0\u2713<\/span><\/b>
\n(B) Cu\u00a0++\u00a0<\/sup>\u0938\u0947 \u090f<\/span>
\n(C) Ag\u00a0++\u00a0<\/sup>\u0938\u0947<\/span>
\n(D) I2<\/sub>\u00a0\u0938\u0947<\/span><\/span><\/span><\/p>\n

\u00a0<\/span><\/span><\/b><\/p>\n

6.\u00a0\u0928\u093f\u092e\u094d\u0928\u0932\u093f\u0916\u093f\u0924 \u092e\u0947\u0902 \u0915\u093f\u0938 \u0927\u093e\u0924\u0941 \u0915\u0947 \u0932\u0935\u0923 \u0915\u0947 \u091c\u0932\u0940\u092f \u0935\u093f\u0932\u092f\u0928 \u0915\u0947 \u0935\u093f\u0927\u0941\u0924 \u0935\u093f\u091a\u094d\u091b\u0947\u0926\u0928 \u0938\u0947 \u0927\u093e\u0924\u0941 \u092a\u094d\u0930\u093e\u092a\u094d\u0924 \u0915\u093f\u092f\u093e \u091c\u093e \u0938\u0915\u0924\u093e \u0939\u0948\u0964<\/span><\/span><\/b><\/span><\/p>\n

(A) Na
\n(B) Al
\n(C) Ca
\n(D) Ag<\/span>\u00a0\u2713<\/span><\/b><\/span><\/p>\n

\u00a0<\/span><\/span><\/b><\/p>\n

7.\u00a0\u0928\u093f\u092e\u094d\u0928 \u0906\u092f\u0928\u094b\u0902 \u092e\u0947\u0902 \u0938\u092c\u0938\u0947 \u092a\u094d\u0930\u092c\u0932 \u0905\u092a\u091a\u093e\u092f\u0915 \u0915\u094c\u0928 \u0939\u0948<\/span>\u00a0?<\/span><\/b><\/span><\/p>\n

(A) F\u2013<\/sup>
\n(B) Cl\u2013<\/sup>
\n(C) Br\u2013<\/sup>
\n(D) I\u2013<\/sup><\/span>\u00a0\u2713<\/span><\/b><\/span><\/p>\n

\u00a0<\/span><\/span><\/b><\/p>\n

8.\u00a0\u0938\u0947\u0932 \u0938\u094d\u0925\u093f\u0930\u093e\u0902\u0915 \u0915\u0940 \u0907\u0915\u093e\u0908 \u0939\u0948 \u0964<\/span><\/span><\/b><\/span><\/p>\n

(A)\u00a0<\/span>\u03a9<\/span>\u2013<\/span><\/sup>
\n(B)\u00a0<\/span>\u03a9<\/span>\u2013<\/span><\/sup>\u00a0cm-1<\/sup>
\n(C) cm-1<\/sup><\/span>\u00a0\u2713<\/span><\/b>
\n(D)\u00a0<\/span>\u03a9<\/span>\u00a0cm<\/span><\/span><\/p>\n

\u00a0<\/span><\/span><\/b><\/p>\n

9.\u00a0\u0938\u0930\u094d\u0935\u093e\u0927\u093f\u0915 \u091a\u093e\u0932\u0915\u0924\u093e \u0939\u0948<\/span><\/span><\/b><\/span><\/p>\n

(A)\u00a0\u0938\u093f\u0932\u0915\u0949\u0928<\/span>
\n(B)\u00a0\u0932\u094b\u0939\u093e\u0930<\/span>
\n(C)\u00a0\u091a\u093e\u0901\u0926\u0940<\/span><\/span>\u00a0\u2713<\/span><\/b>
\n(D)\u00a0\u091f\u0947\u092b\u0932\u0949\u0928<\/span><\/span><\/span><\/p>\n

\u00a0<\/span><\/span><\/b><\/p>\n

10.\u00a0\u0915\u093f\u0938\u0940 \u0935\u093f\u0932\u092f\u0928 \u0915\u0940 \u091a\u093e\u0932\u0915\u0924\u093e<\/span>,\u00a0\u0938\u092e\u093e\u0928\u0941\u092a\u093e\u0924\u0940 \u0939\u094b\u0924\u093e \u0939\u0948\u0964<\/span><\/span><\/b><\/span><\/p>\n

(A)\u00a0\u0924\u0928\u0941\u0924\u093e (<\/span>dilution)
\n(B)\u00a0\u0906\u092f\u0928 \u0915\u0940 \u0938\u0902\u0916\u094d\u092f\u093e<\/span><\/span>\u00a0\u2713<\/span><\/b>
\n(C)\u00a0\u0935\u093f\u0927\u0941\u0924 \u0927\u093e\u0930\u093e \u0915\u093e \u0918\u0928\u0924\u094d\u0935<\/span>
\n(D)\u00a0\u0935\u093f\u0932\u092f\u0928 \u0915\u093e \u0906\u092f\u0924\u0928<\/span><\/span><\/span><\/p>\n

\u00a0<\/span><\/span><\/b><\/p>\n

11.\u00a0\u0915\u093f\u0938\u0940 \u0907\u0932\u0947\u0915\u094d\u091f\u094d\u0930\u094b\u0921 \u092a\u0930 \u0915\u093f\u0938\u0940 \u092a\u0926\u093e\u0930\u094d\u0925 \u0915\u093e \u090f\u0915 \u0917\u094d\u0930\u093e\u092e \u0938\u092e\u0924\u0941\u0932\u094d\u092f\u093e\u0902\u0915 \u090f\u0915\u0924\u094d\u0930\u093f\u0924 \u0915\u0930\u0928\u0947 \u0915\u0947 \u0932\u093f\u090f \u0935\u093f\u0927\u0941\u0924 \u0906\u0935\u0947\u0936 \u0915\u0940 \u0906\u0935\u0936\u094d\u092f\u0915\u0924\u093e \u0939\u0948<\/span><\/span><\/b><\/span><\/p>\n

(A)\u00a0\u090f\u0915 \u0938\u0947\u0915\u0947\u0923\u094d\u0921 \u0915\u0947 \u0932\u093f\u090f \u090f\u0915 \u090f\u092e\u094d\u092a\u093f\u092f\u0930<\/span>
\n(B) 96500\u00a0\u0915\u0942\u0932\u092e\u094d\u092c \u092a\u094d\u0930\u0924\u093f \u0938\u0947\u0915\u0947\u0923\u094d\u0921<\/span>
\n(C)\u00a0\u090f\u0915 \u092e\u094b\u0932 \u0907\u0932\u0947\u0915\u094d\u091f\u094d\u0930\u0949\u0928 \u0915\u093e \u0906\u0935\u0947\u0936<\/span><\/span>\u00a0\u2713<\/span><\/b>
\n(D)\u00a0\u090f\u0915 \u090f\u092e\u094d\u092a\u093f\u092f\u0930 \u0915\u0940 \u0935\u093f\u0927\u0941\u0924 \u0927\u093e\u0930\u093e \u090f\u0915 \u0918\u0902\u091f\u093e \u0924\u0915<\/span><\/span><\/span><\/p>\n

\u00a0<\/span><\/span><\/b><\/p>\n

12.\u00a0\u0907\u0928\u092e\u0947\u0902 \u0938\u0947 \u0938\u092c\u0938\u0947 \u092a\u094d\u0930\u092c\u0932 \u0905\u0935\u0915\u093e\u0930\u0915 \u0915\u094c\u0928 \u0939\u0948<\/span>\u00a0?<\/span><\/span><\/b><\/p>\n

(A) Zn(s)\u00a0<\/span>\u2713<\/span><\/b><\/span><\/p>\n

(B) Cr(s) \u00a0<\/span><\/span><\/p>\n

(C) H2<\/sub>(g) \u00a0<\/span><\/span><\/p>\n

(D) Fe2+<\/sup><\/span><\/span><\/p>\n

\u00a0<\/span><\/span><\/b><\/p>\n

13.\u00a0\u090f\u0915 \u0915\u0942\u0932\u092e\u094d\u092c \u092c\u0930\u093e\u092c\u0930 \u0939\u094b\u0924\u093e \u0939\u0948<\/span><\/span><\/b><\/span><\/p>\n

(A) 96500\u00a0\u092b\u0948\u0930\u093e\u0921\u0947<\/span>
\n(B) 6.24 x 1018<\/sup>\u00a0\u0907\u0932\u0947\u0915\u094d\u091f\u094d\u0930\u0949\u0928 \u0915\u093e \u0906\u0935\u0947\u0936<\/span><\/span>\u00a0\u2713<\/span><\/b>
\n(C)\u00a0\u090f\u0915 \u0907\u0932\u0947\u0915\u094d\u091f\u094d\u0930\u0949\u0928 \u0915\u093e \u0906\u0935\u0947\u0936<\/span>
\n(D)\u00a0\u0907\u0928\u092e\u0947\u0902 \u0938\u0947 \u0915\u094b\u0908 \u0928\u0939\u0940\u0902<\/span><\/span><\/span><\/p>\n

\u00a0<\/span><\/span><\/b><\/p>\n

14.\u00a0\u091c\u092c \u0938\u0947\u0932 \u092a\u094d\u0930\u0924\u093f\u0915\u094d\u0930\u093f\u092f\u093e \u0938\u093e\u092e\u094d\u092f\u093e\u0935\u0938\u094d\u0925\u093e \u0915\u094b \u092a\u094d\u0930\u093e\u092a\u094d\u0924 \u0915\u0930 \u0932\u0947\u0924\u093e \u0939\u0948 \u0909\u0938 \u0938\u092e\u092f \u0938\u0947\u0932 \u0915\u093e<\/span>\u00a0EMF\u00a0\u0939\u094b\u0924\u093e \u0939\u0948<\/span><\/span><\/b><\/span><\/p>\n

(A)\u00a0\u0936\u0942\u0928\u094d\u092f<\/span><\/span>\u00a0\u2713<\/span><\/b>
\n(B)\u00a0\u0927\u0928\u093e\u0924\u094d\u092e\u0915<\/span>
\n(C)\u00a0\u090b\u0923\u093e\u0924\u094d\u092e\u0915<\/span>
\n(D)\u00a0\u0928\u093f\u0936\u094d\u091a\u093f\u0924 \u0928\u0939\u0940\u0902<\/span><\/span><\/span><\/p>\n

\u00a0<\/span><\/p>\n

15.\u00a0\u0915\u093f\u0938\u0940 \u0905\u0930\u094d\u0926\u094d\u0927\u0938\u0947\u0932 \u0915\u093e \u0907\u0932\u0947\u0915\u094d\u091f\u094d\u0930\u094b\u0921 \u0935\u093f\u092d\u0935 \u0928\u093f\u0930\u094d\u092d\u0930 \u0915\u0930\u0924\u093e \u0939\u0948<\/span><\/span><\/b><\/span><\/p>\n

(A)\u00a0\u0927\u093e\u0924\u0941 \u0915\u0940 \u092a\u094d\u0930\u0915\u0943\u0924\u093f \u092a\u0930<\/span>
\n(B)\u00a0\u0938\u0947\u0932 \u092e\u0947\u0902 \u0927\u093e\u0924\u0941 \u0906\u092f\u0928 \u0915\u0940 \u0938\u093e\u0928\u094d\u0926\u094d\u0930\u0924\u093e \u092a\u0930<\/span>
\n(C)\u00a0\u0924\u093e\u092a\u0915\u094d\u0930\u092e<\/span>
\n(D)\u00a0\u0909\u092a\u0930\u094b\u0915\u094d\u0924 \u0938\u092d\u0940<\/span><\/span>\u00a0\u2713<\/span><\/b><\/span><\/p>\n

\u00a0<\/span><\/span><\/b><\/p>\n

16.\u00a0\u092f\u0926\u093f \u0915\u093f\u0938\u0940 \u0938\u0947\u0932 \u0938\u0947 \u0905\u091a\u093e\u0928\u0915 \u0938\u093e\u0932\u094d\u091f \u092c\u094d\u0930\u093f\u091c \u0915\u094b \u0939\u091f\u093e \u0932\u093f\u092f\u093e \u091c\u093e\u092f \u0924\u094b \u0938\u0947\u0932 \u0915\u093e \u0935\u094b\u0932\u094d\u091f\u0947\u091c<\/span><\/span><\/b><\/span><\/p>\n

(A)\u00a0\u092c\u0922\u093c\u0924\u093e \u0939\u0948<\/span>
\n(B)\u00a0\u0918\u091f\u0924\u093e \u0939\u0948<\/span>
\n(C)\u00a0\u0936\u0942\u0928\u094d\u092f \u0939\u094b \u091c\u093e\u0924\u093e \u0939\u0948<\/span><\/span>\u00a0\u2713<\/span><\/b>
\n(D)\u00a0\u092c\u0922\u093c \u092d\u0940 \u0938\u0915\u0924\u093e \u0939\u0948 \u0914\u0930 \u0918\u091f \u092d\u0940 \u0938\u0915\u0924\u093e \u0939\u0948 \u092f\u0939 \u0938\u0947\u0932 \u092a\u094d\u0930\u0924\u093f\u0915\u094d\u0930\u093f\u092f\u093e \u092a\u0930 \u0928\u093f\u0930\u094d\u092d\u0930 \u0915\u0930\u0924\u093e \u0939\u0948<\/span><\/span><\/span><\/p>\n

\u00a0<\/span><\/span><\/b><\/p>\n

17. Zn-CuSO4<\/sub>\u00a0\u0938\u0947\u0932 \u0915\u0947 \u0932\u093f\u090f \u0915\u094c\u0928-\u0938\u093e \u0915\u0925\u0928 \u0938\u0924\u094d\u092f \u0939\u0948<\/span><\/span><\/b><\/span><\/p>\n

(A)\u00a0\u0907\u0932\u0947\u0915\u094d\u091f\u094d\u0930\u0949\u0928 \u0915\u093e \u092a\u094d\u0930\u0935\u093e\u0939 \u0915\u0949\u092a\u0930 \u0938\u0947 \u091c\u093f\u0902\u0915 \u0915\u0940 \u0924\u0930\u092b \u0939\u094b\u0924\u093e \u0939\u0948<\/span>
\n(B)\u00a0\u0915\u0949\u092a\u0930 \u0915\u0947<\/span>\u00a0E\u0966<\/span>Red<\/sub>\u00a0\u0915\u093e \u092e\u093e\u0928 \u091c\u093f\u0902\u0915 \u0915\u0947<\/span>\u00a0E\u0966<\/span>Red<\/sub>\u00a0\u0915\u0947 \u092e\u093e\u0928 \u0938\u0947 \u0915\u092e \u0939\u094b\u0924\u093e \u0939\u0948<\/span>
\n(C)\u00a0\u0907\u0938\u092e\u0947\u0902 \u091c\u093f\u0902\u0915 \u090f\u0928\u094b\u0921 \u0924\u0925\u093e \u0915\u0949\u092a\u0930 \u0915\u0948\u0925\u094b\u0921 \u0915\u093e \u0915\u093e\u092e \u0915\u0930\u0924\u093e \u0939\u0948<\/span><\/span>\u00a0\u2713<\/span><\/b>
\n(D)\u00a0\u0909\u092a\u0930\u094b\u0915\u094d\u0924 \u0938\u092d\u0940 \u0915\u0925\u0928 \u0938\u0924\u094d\u092f \u0939\u0948<\/span><\/span><\/span><\/p>\n

\u00a0<\/span><\/span><\/b><\/p>\n

18. 96500\u00a0\u0915\u0942\u0932\u0949\u092e<\/span>\u00a0CuSO4\u0915\u0947 \u0935\u093f\u0932\u092f\u0928 \u0938\u0947 \u092e\u0941\u0915\u094d\u0924 \u0915\u0930\u0924\u093e \u0939\u0948 \u0964<\/span><\/span><\/b><\/span><\/p>\n

(A) 63.5\u00a0\u0917\u094d\u0930\u093e\u092e \u0924\u093e\u0901\u092c\u093e<\/span>
\n(B) 31.76\u00a0\u0917\u094d\u0930\u093e\u092e \u0924\u093e\u0901\u092c\u093e<\/span><\/span>\u00a0\u2713<\/span><\/b>
\n(C) 96500\u00a0\u0917\u094d\u0930\u093e\u092e \u0924\u093e\u0901\u092c\u093e<\/span>
\n(D) 100\u00a0\u0917\u094d\u0930\u093e\u092e \u0924\u093e\u0901\u092c\u093e<\/span><\/span><\/span><\/p>\n

\u00a0<\/span><\/span><\/b><\/p>\n

19.\u00a0\u092a\u094b\u091f\u0948\u0936\u093f\u092f\u092e \u0907\u0932\u0947\u0915\u094d\u091f\u094d\u0930\u0949\u0921 \u0915\u094b \u092a\u094d\u0930\u092f\u0941\u0915\u094d\u0924 \u0915\u0930\u0924\u0947 \u0939\u0941\u090f \u0924\u0928\u0941 \u0938\u0932\u094d\u092b\u094d\u092f\u0942\u0930\u093f\u0915 \u0905\u092e\u094d\u0932 \u0915\u093e \u0935\u0948\u0926\u094d\u092f\u0941\u0924\u094d \u0905\u092a\u0918\u091f\u0928 \u0915\u0930\u0928\u0947 \u092a\u0930 \u0910\u0928\u094b\u0921 \u092a\u0930 \u092a\u094d\u0930\u093e\u092a\u094d\u0924 \u0909\u0924\u094d\u092a\u093e\u0926 \u0939\u094b\u0917\u093e<\/span><\/span><\/b><\/span><\/p>\n

(A)\u00a0\u0939\u093e\u0907\u0921\u094d\u0930\u094b\u091c\u0928<\/span>
\n(B)\u00a0\u0911\u0915\u094d\u0938\u0940\u091c\u0928<\/span><\/span>\u00a0\u2713<\/span><\/b>
\n(C)\u00a0\u0939\u093e\u0907\u0921\u094d\u0930\u094b\u091c\u0928 \u0938\u0932\u094d\u092b\u093e\u0907\u0921<\/span>
\n(D)\u00a0\u0938\u0932\u094d\u092b\u0930 \u0921\u093e\u0907\u0911\u0915\u094d\u0938\u093e\u0907\u0921<\/span><\/span><\/span><\/p>\n

\u00a0<\/span><\/span><\/b><\/p>\n

20.\u00a0\u0928\u093f\u092e\u094d\u0928 \u092e\u0947\u0902 \u0938\u0947 \u0915\u094c\u0928 \u090f\u0915 \u0905\u0935\u0930\u094b\u0927\u0915 \u0939\u0948<\/span>?<\/span><\/b><\/span><\/p>\n

(A)\u00a0\u0917\u094d\u0930\u0947\u092b\u093e\u0907\u091f<\/span>
\n(B)\u00a0\u090f\u0932\u094d\u092f\u0942\u092e\u0940\u0928\u093f\u092f\u092e<\/span>
\n(C)\u00a0\u0921\u093e\u092f\u092e\u0923\u094d\u0921<\/span><\/span>\u00a0\u2713<\/span><\/b>
\n(D)\u00a0\u0938\u093f\u0932\u093f\u0915\u0949\u0928<\/span><\/span><\/span><\/p>\n

\u00a0<\/span><\/span><\/b><\/p>\n

21.\u00a0\u0932\u094b\u0939\u0947 \u092a\u0930 \u092a\u094d\u0932\u0947\u091f\u093f\u0902\u0917 \u0915\u0947 \u0932\u093f\u090f \u0938\u092c\u0938\u0947 \u0905\u0927\u093f\u0915 \u0909\u092a\u092f\u0941\u0915\u094d\u0924 \u0927\u093e\u0924\u0941 \u091c\u094b \u0938\u0902\u0915\u094d\u0937\u093e\u0930\u0923 \u0915\u0947 \u0935\u093f\u0930\u0941\u0926\u094d\u0927 \u0938\u0941\u0930\u0915\u094d\u0937\u093e \u0915\u0930\u0924\u0940 \u0939\u0948<\/span><\/span><\/b><\/span><\/p>\n

(A)\u00a0\u0928\u093f\u0915\u0947\u0932 \u092a\u094d\u0932\u0947\u091f\u093f\u0902\u0917<\/span>
\n(B)\u00a0\u0915\u0949\u092a\u0930 \u092a\u094d\u0932\u0947\u091f\u093f\u0902\u0917<\/span>
\n(C)\u00a0\u091f\u093f\u0928 \u092a\u094d\u0932\u0947\u0928\u093f\u0902\u0917<\/span>
\n(D)\u00a0\u091c\u093f\u0902\u0915 \u092a\u094d\u0932\u0947\u091f\u093f\u0902\u0917<\/span><\/span>\u00a0\u2713<\/span><\/b><\/span><\/p>\n

\u00a0<\/span><\/span><\/b><\/p>\n

22.\u00a0\u090f\u0915 \u0935\u0948\u0927\u0942\u0924\u094d \u0905\u092a\u0918\u091f\u0928\u0940 \u0938\u0947\u0932 \u092e\u0947\u0902<\/span>,\u00a0\u0907\u0932\u0947\u0915\u094d\u091f\u094d\u0930\u0949\u0928 \u0915\u093e \u092a\u094d\u0930\u0935\u093e\u0939 \u0939\u094b\u0924\u093e \u0939\u0948<\/span><\/span><\/b><\/span><\/p>\n

(A)\u00a0\u0935\u093f\u0932\u092f\u0928 \u092e\u0947\u0902 \u0915\u0948\u0925\u094b\u0921 \u0938\u0947 \u0910\u0928\u094b\u0921 \u0915\u0940 \u0913\u0930<\/span>
\n(B)\u00a0\u092c\u093e\u0939\u094d\u092f \u0906\u092a\u0942\u0930\u094d\u0924\u093f \u0926\u094d\u0935\u093e\u0930\u093e \u0915\u0948\u0925\u094b\u0921 \u0938\u0947 \u0910\u0928\u094b\u0921<\/span>
\n(C)\u00a0\u0905\u0928\u094d\u0924\u0903 \u0906\u092a\u0942\u0930\u094d\u0924\u093f \u0926\u094d\u0935\u093e\u0930\u093e \u0915\u0948\u0925\u094b\u0921 \u0938\u0947 \u0910\u0928\u094b\u0921<\/span><\/span>\u00a0\u2713<\/span><\/b>
\n(D)\u00a0\u0905\u0928\u094d\u0924\u0903 \u0906\u092a\u0942\u0930\u094d\u0924\u093f \u0926\u094d\u0935\u093e\u0930\u093e \u090f\u0928\u094b\u0921 \u0938\u0947 \u0915\u0948\u0925\u094b\u0921<\/span><\/span><\/span><\/p>\n

\u00a0<\/span><\/span><\/b><\/p>\n

23.\u00a0\u0928\u093f\u092e\u094d\u0928 \u092e\u0947\u0902 \u0938\u0947 \u0915\u094c\u0928-\u0938\u093e \u0939\u0948\u0932\u094b\u091c\u0928 \u0905\u092e\u094d\u0932 \u0938\u092c\u0938\u0947 \u092a\u094d\u0930\u092c\u0932 \u0905\u092a\u091a\u093e\u092f\u0915 \u0939\u094b\u0924\u093e \u0939\u0948<\/span>\u00a0?<\/span><\/b><\/span><\/p>\n

(A) HCI
\n(B) HBI
\n(C) HI<\/span>\u00a0\u2713<\/span><\/b>
\n(D) HF<\/span><\/span><\/p>\n

\u00a0<\/span><\/span><\/b><\/p>\n

24.\u00a0\u0938\u093e\u0928\u094d\u0926\u094d\u0930\u0924\u093e \u0915\u094b \u092c\u093f\u0928\u093e \u0916\u094b\u092f\u0947<\/span>, ZnCI2<\/sub>\u00a0\u0935\u093f\u0932\u092f\u0928 \u0915\u093f\u0938\u0915\u0947 \u0938\u093e\u0925 \u0938\u092e\u094d\u092a\u0930\u094d\u0915 \u092e\u0947\u0902 \u0928\u0939\u0940\u0902 \u0930\u0916\u093e \u091c\u093e \u0938\u0915\u0924\u093e<\/span><\/span><\/b><\/span><\/p>\n

(A) AU
\n(B) AI<\/span>\u00a0\u2713<\/span><\/b>
\n(C) Pb
\n(D) Ag<\/span><\/span><\/p>\n

\u00a0<\/span><\/span><\/b><\/p>\n

25.\u00a0\u090f\u0915 \u092b\u0930\u093e\u0921\u0947 \u0935\u093f\u0927\u0941\u0924 \u0927\u093e\u0930\u093e \u092a\u094d\u0930\u0935\u093e\u0939\u093f\u0924 \u0915\u0930\u0928\u0947 \u092a\u0930 \u092a\u094d\u0930\u093e\u092a\u094d\u0924 \u092e\u093e\u0924\u094d\u0930\u093e \u092c\u0930\u093e\u092c\u0930 \u0939\u094b\u0917\u0940<\/span><\/span><\/b><\/span><\/p>\n

(A)\u00a0\u090f\u0915 \u0917\u094d\u0930\u093e\u092e \u0938\u092e\u0924\u0941\u0932\u094d\u092f<\/span><\/span>\u00a0\u2713<\/span><\/b>
\n(B)\u00a0\u090f\u0915 \u0917\u094d\u0930\u093e\u092e \u092e\u094b\u0932<\/span>
\n(C)\u00a0\u0935\u093f\u0927\u0941\u0924<\/span>\u00a0\u0930\u093e\u0938\u093e\u092f\u0928\u093f\u0915 \u0924\u0941\u0932\u094d\u092f\u093e\u0902\u0915<\/span>
\n(D)\u00a0\u0906\u0927\u093e \u0917\u094d\u0930\u093e\u092e \u0938\u092e\u0924\u0941\u0932\u094d\u092f\u093e\u0902\u0915<\/span><\/span><\/span><\/p>\n

\u00a0<\/span><\/span><\/b><\/p>\n

26.\u00a0\u0932\u094b\u0939\u0947 \u0915\u093e \u0938\u0902\u0930\u0915\u094d\u0937\u0923 \u0930\u094b\u0915\u0928\u0947 \u0915\u093e \u0938\u092c\u0938\u0947 \u0905\u091a\u094d\u091b\u093e \u0924\u0930\u0940\u0915\u093e \u0939\u0948<\/span><\/span><\/span><\/b><\/p>\n

(A)\u00a0\u0906\u092f\u0930\u0928 \u0915\u0948\u0925\u094b\u0921 \u092c\u0928\u093e\u0915\u0930<\/span><\/span>\u00a0\u2713<\/span><\/b>
\n(B)\u00a0\u0916\u093e\u0930\u0947 \u091c\u0932 \u092e\u0947\u0902 \u0907\u0938\u0947 \u0930\u0916\u0915\u0930<\/span>
\n(C)\u00a0\u0907\u0928\u092e\u0947\u0902 \u0938\u0947 \u0926\u094b\u0928\u094b\u0902<\/span>
\n(D)\u00a0\u0907\u0928\u092e\u0947\u0902 \u0938\u0947 \u0915\u094b\u0908 \u0928\u0939\u0940\u0902<\/span><\/span><\/span><\/p>\n

\u00a0<\/span><\/span><\/b><\/p>\n

27.\u00a0\u091c\u092c \u0938\u0940\u0938\u093e \u0938\u0902\u091a\u092f \u092c\u0948\u091f\u0930\u0940 \u0906\u0935\u0947\u0936\u093f\u0924 \u0939\u094b\u0924\u0940 \u0939\u0948 \u0924\u092c<\/span><\/span><\/b><\/span><\/p>\n

(A)\u00a0\u0932\u0947\u0921 \u0921\u093e\u0907\u0911\u0915\u094d\u0938\u093e\u0907\u0921 \u0918\u0941\u0932 \u091c\u093e\u0924\u0940 \u0939\u0948<\/span>
\n(B)\u00a0\u0938\u0932\u094d\u092b\u094d\u092f\u0942\u0930\u093f\u0915 \u0905\u092e\u094d\u0932 \u092a\u0941\u0928\u0903 \u092c\u0928 \u091c\u093e\u0924\u093e \u0939\u0948<\/span><\/span>\u00a0\u2713<\/span><\/b>
\n(C)\u00a0\u0932\u0947\u0921 \u0927\u093e\u0924\u0941 \u0932\u0947\u0921 \u0938\u0932\u094d\u092b\u0947\u091f \u0915\u0947 \u0938\u093e\u0925 \u0938\u094d\u0924\u0930\u093f\u0924 \u0915\u0930 \u0926\u0940 \u091c\u093e\u0924\u0940 \u0939\u0948<\/span>
\n(D)\u00a0\u0938\u0932\u094d\u092b\u094d\u092f\u0942\u0930\u093f\u0915 \u0905\u092e\u094d\u0932 \u0915\u0940 \u0938\u093e\u0928\u094d\u0926\u094d\u0930\u0924\u093e \u0918\u091f\u0924\u0940 \u0939\u0948<\/span><\/span><\/span><\/p>\n

\u00a0<\/span><\/span><\/b><\/p>\n

28.\u00a0\u091c\u092c \u0915\u0949\u092a\u0930 \u0915\u0947 \u0924\u093e\u0930 \u0915\u093e \u090f\u0915 \u091f\u0941\u0915\u0921\u093c\u093e \u091c\u0932\u0940\u092f \u0938\u093f\u0932\u094d\u0935\u0930 \u0932\u0935\u0923 (\u0938\u0932\u094d\u092b\u0947\u091f) \u0915\u0947 \u0935\u093f\u0932\u092f\u0928 \u092e\u0947\u0902 \u0921\u0941\u092c\u094b\u092f\u093e \u091c\u093e\u0924\u093e \u0939\u0948<\/span>,\u00a0\u0935\u093f\u0932\u092f\u0928 \u0928\u0940\u0932\u0947 \u0930\u0902\u0917 \u0915\u093e \u092c\u0928 \u091c\u093e\u0924\u093e \u0939\u0948\u0964 \u092f\u0939 \u0939\u094b\u0924\u093e \u0939\u0948<\/span><\/span><\/b><\/span><\/p>\n

(A)\u00a0\u0938\u093f\u0932\u094d\u0935\u0930 \u0915\u093e \u0911\u0915\u094d\u0938\u0940\u0915\u0930\u0923<\/span>
\n(B)\u00a0\u0915\u0949\u092a\u0930 \u0915\u093e \u0911\u0915\u094d\u0938\u0940\u0915\u0930\u0923<\/span><\/span>\u00a0\u2713<\/span><\/b>
\n(C)\u00a0\u0915\u0949\u092a\u0930 \u091c\u091f\u093f\u0932 \u0915\u093e \u0928\u093f\u0930\u094d\u092e\u093e\u0923<\/span>
\n(D)\u00a0\u0915\u0949\u092a\u0930 \u0915\u093e \u0905\u092a\u091a\u092f\u0928<\/span><\/span><\/span><\/p>\n

\u00a0<\/span><\/span><\/b><\/p>\n

29.\u00a0\u0905\u0930\u094d\u0926\u094d\u0927\u0938\u0947\u0932 \u0905\u092d\u093f\u0915\u094d\u0930\u093f\u092f\u093e<\/span>\u00a0A+<\/sup>\u00a0+ e\u2013\u00a0<\/sup><\/span><\/b>\u2192<\/span><\/b>\u00a0A\u2013\u00a0<\/sup>\u092c\u0921\u093c\u0947 \u090b\u0923\u093e\u0924\u094d\u092e\u0915 \u0906\u092f\u0928\u0928 \u0935\u093f\u092d\u0935 \u0935\u093e\u0932\u0940 \u0939\u094b\u0924\u0940 \u0939\u0948 \u092f\u0939 \u092c\u0924\u093e\u0924\u0940 \u0939\u0948 \u0915\u093f<\/span><\/span><\/b><\/span><\/p>\n

(A) A\u00a0\u0906\u0938\u093e\u0928\u0940 \u0938\u0947 \u0911\u0915\u094d\u0938\u0940\u0915\u0943\u0924 \u0939\u094b \u091c\u093e\u0924\u093e \u0939\u0948<\/span>
\n(B) A\u00a0\u0906\u0938\u093e\u0928\u0940 \u0938\u0947 \u0905\u092a\u091a\u092f\u093f\u0924 \u0939\u094b \u091c\u093e\u0924\u093e \u0939\u0948\u0964<\/span>
\n(C) A-\u0906\u0938\u093e\u0928\u0940 \u0938\u0947 \u0911\u0915\u094d\u0938\u0940\u0915\u0943\u0924 \u0939\u094b \u091c\u093e\u0924\u093e \u0939\u0948<\/span><\/span>\u00a0\u2713<\/span><\/b>
\n(D) A-\u0906\u0938\u093e\u0928\u0940 \u0938\u0947 \u0905\u092a\u091a\u092f\u093f\u0924 \u0939\u094b \u091c\u093e\u0924\u093e \u0939\u0948<\/span><\/span><\/span><\/p>\n

\u00a0<\/span><\/span><\/b><\/p>\n

30.\u00a0\u092a\u094d\u0930\u0925\u092e \u0915\u094b\u091f\u093f \u0915\u0940 \u0915\u094b\u0908 \u0905\u092d\u093f\u0915\u094d\u0930\u093f\u092f\u093e<\/span>\u00a032\u00a0\u092e\u093f\u0928\u091f \u092e\u0947\u0902<\/span>\u00a075\u00a0\u092a\u094d\u0930\u0924\u093f\u0936\u0924 \u092a\u0942\u0930\u0940 \u0939\u094b \u091c\u093e\u0924\u0940 \u0939\u0948\u0964 \u0909\u0938\u0915\u0947<\/span>\u00a050\u00a0\u092a\u094d\u0930\u0924\u093f\u0936\u0924 \u092a\u0942\u0930\u093e \u0939\u094b\u0928\u0947 \u092e\u0947\u0902 \u0915\u093f\u0924\u0928\u093e \u0938\u092e\u092f \u0932\u0917\u0947\u0917\u093e<\/span>\u00a0?<\/span><\/b><\/span><\/p>\n

(A) 16\u00a0\u092e\u093f\u0928\u091f<\/span><\/span>\u00a0\u2713<\/span><\/b>
\n(B) 24\u00a0\u092e\u093f\u0928\u091f<\/span>
\n(C) 10\u00a0\u092e\u093f\u0928\u091f<\/span>
\n(D) 20\u00a0\u092e\u093f\u0928\u091f<\/span><\/span><\/span><\/p>\n

\u00a0<\/span><\/span><\/b><\/p>\n

31.\u00a0\u0928\u093f\u092e\u094d\u0928\u0932\u093f\u0916\u093f\u0924 \u092e\u0947\u0902 \u0915\u094c\u0928-\u0938\u093e \u0938\u0947\u0932 \u0939\u093e\u0907\u0921\u094d\u0930\u094b\u091c\u0928 \u090f\u0935\u0902 \u0911\u0915\u094d\u0938\u0940\u091c\u0928 \u0915\u0947 \u0930\u093e\u0938\u093e\u092f\u0928\u093f\u0915 \u090a\u0930\u094d\u091c\u093e \u0915\u094b \u0935\u093f\u0927\u0941\u0924 \u090a\u0930\u094d\u091c\u093e \u092e\u0947\u0902 \u092c\u0926\u0932\u0924\u093e \u0939\u0948<\/span>\u00a0?<\/span><\/b><\/span><\/p>\n

(A)\u00a0\u092a\u093e\u0930\u093e \u0938\u0947\u0932<\/span>
\n(B)\u00a0\u0921\u0947\u0928\u093f\u092f\u0932 \u0938\u0947\u0932<\/span>
\n(C)\u00a0\u0908\u0902\u0927\u0928 \u0938\u0947\u0932<\/span><\/span>\u00a0\u2713<\/span><\/b>
\n(D)\u00a0\u0932\u0947\u0921 \u0938\u0902\u091a\u092f \u0938\u0947\u0932<\/span><\/span><\/span><\/p>\n

\u00a0<\/span><\/span><\/b><\/p>\n

32.\u00a0\u0928\u093f\u092e\u094d\u0928 \u092e\u0947\u0902 \u0915\u094c\u0928 \u0938\u0930\u094d\u0935\u093e\u0927\u093f\u0915 \u0911\u0915\u094d\u0938\u0940\u0915\u0930\u0923 \u0905\u0935\u0938\u094d\u0925\u093e \u092a\u094d\u0930\u0926\u0930\u094d\u0936\u093f\u0924 \u0915\u0930 \u0938\u0915\u0924\u093e \u0939\u0948<\/span>\u00a0?<\/span><\/b><\/span><\/p>\n

(A) Sc
\n(B) Fe
\n(C) Zn
\n(D) Mn<\/span>\u00a0\u2713<\/span><\/b><\/span><\/p>\n

\u00a0<\/span><\/p>\n

33.\u00a0\u092a\u094d\u0932\u0948\u091f\u093f\u0928\u092e \u0907\u0932\u0947\u0915\u094d\u091f\u094d\u0930\u094b\u0921 \u0915\u093e \u0907\u0938\u094d\u0924\u0947\u092e\u093e\u0932 \u0915\u0930\u0915\u0947 \u0924\u0928\u0941<\/span>\u00a0H,SO,\u00a0\u0915\u093e \u0935\u0948\u0926\u094d\u092f\u0941\u0924 \u0905\u092a\u0918\u091f\u0928 \u0915\u0930\u0928\u0947 \u092a\u0930 \u0910\u0928\u094b\u0921 \u092a\u0930 \u0915\u094c\u0928-\u0938\u0940 \u0917\u0948\u0938 \u092e\u0941\u0915\u094d\u0924 \u0939\u094b\u0924\u0940 \u0939\u0948<\/span>\u00a0?<\/span><\/b><\/span><\/p>\n

(A) H2<\/sub>S
\n(B) 02<\/sub><\/span>\u00a0\u2713<\/span><\/b>
\n(C) so2<\/sub>
\n(D) H2<\/sub><\/span><\/span><\/p>\n

\u00a0<\/span><\/span><\/b><\/p>\n

34.\u00a0\u092b\u0948\u0930\u093e\u0921\u0947 \u0915\u093e \u0935\u093f\u0927\u0942\u0924\u094d-\u0905\u092a\u0918\u091f\u0928 \u0928\u093f\u092f\u092e \u0928\u093f\u092e\u094d\u0928 \u092e\u0947\u0902 \u0938\u0947 \u0915\u093f\u0938\u0938\u0947 \u0938\u0902\u092c\u0902\u0927\u093f\u0924 \u0939\u0948<\/span>\u00a0?<\/span><\/b><\/span><\/p>\n

(A)\u00a0\u0927\u0928\u093e\u092f\u0928 \u0915\u0947 \u092a\u0930\u092e\u093e\u0923\u0941 \u092d\u093e\u0930 \u0938\u0947<\/span>
\n(B)\u00a0\u0927\u0928\u093e\u092f\u0928 \u0915\u0940 \u0917\u0924\u093f \u0938\u0947<\/span>
\n(C)\u00a0\u090b\u0923\u093e\u092f\u0928 \u0915\u0940 \u0917\u0924\u093f \u0938\u0947<\/span>
\n(D)\u00a0\u0907\u0932\u0947\u0915\u094d\u091f\u094d\u0930\u094b\u0932\u093e\u0907\u091f \u0915\u0947 \u0938\u092e\u0924\u0941\u0932\u094d\u092f \u092d\u093e\u0930 \u0938\u0947<\/span><\/span>\u00a0\u2713<\/span><\/b><\/span><\/p>\n

\u00a0<\/span><\/span><\/b><\/p>\n

35.\u00a0\u090f\u0915 \u092e\u093e\u0928\u0915 \u0939\u093e\u0907\u0921\u094d\u0930\u094b\u091c\u0928 \u0907\u0932\u0947\u0915\u094d\u091f\u094d\u0930\u094b\u0921<\/span>,\u00a0\u0936\u0942\u0928\u094d\u092f \u0907\u0932\u0947\u0915\u094d\u091f\u094d\u0930\u0949\u0921 \u0935\u093f\u092d\u0935 \u0935\u093e\u0932\u093e \u0939\u094b\u0924\u093e \u0939\u0948 \u0915\u094d\u092f\u094b\u0902\u0915\u093f<\/span><\/span><\/b><\/span><\/p>\n

(A)\u00a0\u0939\u093e\u0907\u0921\u094d\u0930\u094b\u091c\u0928 \u0915\u094b \u0911\u0915\u094d\u0938\u0940\u0915\u0943\u0924 \u0915\u0930\u0928\u093e \u0906\u0938\u093e\u0928 \u0939\u094b\u0924\u093e \u0939\u0948<\/span>
\n(B)\u00a0\u0907\u0932\u0947\u0915\u094d\u091f\u094d\u0930\u0949\u0921<\/span>\u00a05\u00a0\u0935\u093f\u092d\u0935 \u0915\u094b \u0936\u0942\u0928\u094d\u092f \u092e\u093e\u0928\u093e \u091c\u093e\u0924\u093e \u0939\u0948<\/span><\/span>\u00a0\u2713<\/span><\/b>
\n(C)\u00a0\u0939\u093e\u0907\u0921\u094d\u0930\u094b\u091c\u0928 \u092a\u0930\u092e\u093e\u0923\u0941 \u0915\u0947\u0935\u0932 \u090f\u0915 \u0907\u0932\u0947\u0915\u094d\u091f\u094d\u0930\u0949\u0928 \u0935\u093e\u0932\u093e \u0939\u094b\u0924\u093e \u0939\u0948<\/span>
\n(D)\u00a0\u0939\u093e\u0907\u0921\u094d\u0930\u094b\u091c\u0928 \u0938\u092c\u0938\u0947 \u0939\u0932\u094d\u0915\u093e \u0924\u0924\u094d\u0924\u094d\u0935 \u0939\u094b\u0924\u093e \u0939\u0948<\/span><\/span><\/span><\/p>\n

\u00a0<\/span><\/span><\/b><\/p>\n

36. A\u00a0\u0935<\/span>\u00a0B\u00a0\u0915\u093e \u0911\u0915\u094d\u0938\u0940\u0915\u0943\u0924 \u0935\u093f\u092d\u0935 \u0915\u094d\u0930\u092e\u0936\u0903 +<\/span>2.37\u00a0\u0935<\/span>\u00a01.66\u00a0\u0935\u094b\u0932\u094d\u091f \u0939\u094b\u0924\u093e \u0939\u0948\u0964 \u090f\u0915 \u0930\u093e\u0938\u093e\u092f\u0928\u093f\u0915 \u0905\u092d\u093f\u0915\u094d\u0930\u093f\u092f\u093e \u092e\u0947\u0902<\/span><\/span><\/b><\/span><\/p>\n

(A) A, B\u00a0\u0926\u094d\u0935\u093e\u0930\u093e \u092a\u094d\u0930\u0924\u093f\u0938\u094d\u0925\u093e\u092a\u093f\u0924 \u0939\u094b\u0917\u093e<\/span>
\n(B) A, B\u00a0\u0915\u094b \u092a\u094d\u0930\u0924\u093f\u0938\u094d\u0925\u093e\u092a\u093f\u0924 \u0915\u0930\u0947\u0917\u093e<\/span><\/span>\u00a0\u2713<\/span><\/b>
\n(C) A, B\u00a0\u0915\u094b \u092a\u094d\u0930\u0924\u093f\u0938\u094d\u0925\u093e\u092a\u093f\u0924 \u0928\u0939\u0940\u0902 \u0915\u0930\u0947\u0917\u093e<\/span>
\n(D) A\u00a0\u0935<\/span>\u00a0B\u00a0\u090f\u0915-\u0926\u0942\u0938\u0930\u0947 \u0915\u094b \u092a\u094d\u0930\u0924\u093f\u0938\u094d\u0925\u093e\u092a\u093f\u0924 \u0928\u0939\u0940\u0902 \u0915\u0930\u0947\u0902\u0917\u0947<\/span><\/span><\/span><\/p>\n

37.\u00a0\u091a\u093e\u0932\u0915 \u0915\u0940 \u091a\u093e\u0932\u0915\u0924\u093e \u090f\u0935\u0902 \u092a\u094d\u0930\u0924\u093f\u0930\u094b\u0927 \u0928\u093f\u092e\u094d\u0928\u093e\u0902\u0915\u093f\u0924 \u0938\u0947 \u0915\u093f\u0938 \u092a\u094d\u0930\u0915\u093e\u0930 \u0938\u0902\u092c\u0902\u0927\u093f\u0924 \u0939\u0948<\/span>\u00a0?<\/span><\/b><\/span><\/p>\n

(A) c\u00a0<\/span>\u03b1<\/span>\u00a0R
\n(B) c = R
\n(C) c = 1\/R<\/span>\u00a0\u2713<\/span><\/b>
\n(D) c= iR<\/span><\/span><\/p>\n

\u00a0<\/span><\/span><\/b><\/p>\n

38.\u00a0\u0935\u093f\u0927\u0941\u0924 \u0905\u092a\u0918\u091f\u094d\u092f \u0915\u0940 \u0935\u093f\u0936\u093f\u0937\u094d\u091f \u090f\u0935\u0902 \u0924\u0941\u0932\u094d\u092f\u093e\u0902\u0915\u0940 \u091a\u093e\u0932\u0915\u0924\u093e \u0926\u094b\u0928\u094b\u0902 \u0915\u0947 \u092c\u0940\u091a \u0915\u093e \u0938\u0902\u092c\u0902\u0927 \u0939\u0948<\/span><\/span><\/b><\/span><\/p>\n

(A)\u00a0<\/span>\u2227<\/span>v<\/span><\/sub><\/i>\u00a0 =Kv<\/sub><\/i>
\n(B)\u00a0<\/span>\u2227<\/span>v<\/span><\/sub><\/i>\u00a0= Kv\/<\/span>\u03bd<\/span>
\n(C)\u00a0<\/span>\u2227<\/span>v<\/span><\/sub><\/i>\u00a0= 2Kv<\/sub><\/i>
\n(D)\u00a0<\/span>\u2227<\/span>v<\/span><\/sub><\/i>\u00a0= Kv<\/sub>v<\/i><\/span>\u00a0\u2713<\/span><\/b><\/span><\/p>\n

\u00a0<\/span><\/span><\/b><\/p>\n

39.\u00a0\u0938\u0947\u0932-\u0938\u094d\u0925\u093f\u0930\u093e\u0902\u0915 \u091c\u094d\u091e\u093e\u0924 \u0915\u0930\u0928\u0947 \u0915\u0947 \u0932\u093f\u090f \u0928\u093f\u092e\u094d\u0928\u093e\u0902\u0915\u093f\u0924 \u092e\u0947\u0902 \u0938\u0947 \u0915\u093f\u0938 \u0938\u092e\u094d\u092c\u0928\u094d\u0927 \u0915\u093e \u0909\u092a\u092f\u094b\u0917 \u0915\u0930\u0924\u0947 \u0939\u0948<\/span>\u00a0?<\/span><\/b><\/span><\/p>\n

(A) x = Kv<\/sub>\u00a0+ c
\n(B) x = Kv<\/sub>\u00a0\u2013 c
\n(C) x = kv<\/sub>\/c<\/span>\u00a0\u2713<\/span><\/b>
\n(D) x = c\/kv<\/sub><\/span><\/span><\/p>\n

\u00a0<\/span><\/span><\/b><\/p>\n

40.\u00a0\u0935\u0939 \u0909\u092a\u0915\u0930\u0923 \u091c\u093f\u0938\u092e\u0947\u0902 \u0908\u0902\u0927\u0928 \u091c\u0948\u0938\u0947 \u0939\u093e\u0907\u0921\u094d\u0930\u094b\u091c\u0928 \u0914\u0930 \u092e\u093f\u0925\u0947\u0928 \u0915\u0947 \u0926\u0939\u0928 \u090a\u0930\u094d\u091c\u093e \u0915\u093e \u0938\u0940\u0927\u0947 \u0935\u093f\u0927\u0941\u0924 \u090a\u0930\u094d\u091c\u093e \u092e\u0947\u0902 \u092a\u0930\u093f\u0935\u0930\u094d\u0924\u093f\u0924 \u0915\u093f\u092f\u093e \u091c\u093e\u0924\u093e \u0939\u0948<\/span>,\u00a0\u0915\u0939\u0924\u0947 \u0939\u0948\u0902\u0964<\/span><\/span><\/b><\/span><\/p>\n

(A)\u00a0\u0921\u093e\u092f\u0928\u0947\u092e\u094b<\/span>
\n(B) Ni-cd\u00a0\u0938\u0947\u0932<\/span>
\n(C)\u00a0\u0908\u0902\u0927\u0928 \u0938\u0947\u0932\u093e\u092e\u093e<\/span><\/span>\u00a0\u2713<\/span><\/b>
\n(D)\u00a0\u0907\u0932\u0947\u0915\u094d\u091f\u094d\u0930\u094b\u0932\u093e\u0907\u091f\u093f\u0915 \u0938\u0947\u0932<\/span><\/span><\/span><\/p>\n

\u00a0<\/span><\/span><\/b><\/p>\n

41.\u00a0\u092b\u0948\u0930\u093e\u0921\u0947 \u0915\u093e \u0935\u093f\u0927\u0941\u0924 \u0935\u093f\u091a\u094d\u091b\u0947\u0926\u0928 \u0915\u093e \u0926\u094d\u0935\u093f\u0924\u0940\u092f \u0928\u093f\u092f\u092e \u0938\u092e\u094d\u092c\u0928\u094d\u0927\u093f\u0924 \u0939\u0948<\/span><\/span><\/b><\/span><\/p>\n

(A)\u00a0\u0927\u0928\u093e\u092f\u0928 \u0915\u0947 \u092a\u0930\u092e\u093e\u0923\u0941 \u0938\u0902\u0916\u094d\u092f\u093e \u0938\u0947<\/span>
\n(B)\u00a0\u0935\u093f\u0927\u0941\u0924 \u0915\u0947 \u0938\u092e\u0924\u0941\u0932\u094d\u092f \u092d\u093e\u0930 \u0938\u0947<\/span><\/span>\u00a0\u2713<\/span><\/b>
\n(C)\u00a0\u090b\u0923\u093e\u092f\u0928 \u0915\u0947 \u092a\u0930\u092e\u093e\u0923\u0941 \u0938\u0902\u0916\u094d\u092f\u093e \u0938\u0947<\/span>
\n(D)\u00a0\u0927\u0928\u093e\u092f\u0928 \u0915\u0947 \u0935\u0902\u0917 \u0938\u0947<\/span><\/span><\/span><\/p>\n

\u00a0<\/span><\/span><\/b><\/p>\n

42.\u00a0\u0905\u092a\u0928\u0947 \u0935\u093f\u0927\u0941\u0924 \u0930\u093e\u0938\u093e\u092f\u0928\u093f\u0915 \u0938\u092e\u0924\u0941\u0932\u094d\u092f\u093e\u0902\u0915 \u0915\u0947 \u092c\u0930\u093e\u092c\u0930 \u092e\u093e\u0924\u094d\u0930\u093e \u091c\u092e\u093e \u0915\u0930\u0928\u0947 \u0915\u0947 \u0932\u093f\u090f \u0915\u093f\u0924\u0928\u0940 \u0935\u093f\u0927\u0941\u0924 \u0927\u093e\u0930\u093e<\/span>\u00a00.25\u00a0\u0938\u0947\u0915\u0947\u0923\u094d\u0921 \u0924\u0915 \u092a\u094d\u0930\u0935\u093e\u0939\u093f\u0924 \u0915\u0930\u0928\u0940 \u0939\u094b\u0917\u0940<\/span>\u00a0?<\/span><\/b><\/span><\/p>\n

(A) 1 A
\n(B) 4 A<\/span>\u00a0\u2713<\/span><\/b>
\n(C) 5 A
\n(D) 100 A<\/span><\/span><\/p>\n

\u00a0<\/span><\/span><\/b><\/p>\n

43.\u00a0\u0935\u093f\u0936\u093f\u0937\u094d\u091f \u091a\u093e\u0932\u0915\u0924\u093e \u0915\u0940 \u0907\u0915\u093e\u0908 \u0939\u094b\u0924\u0940 \u0939\u0948<\/span><\/span><\/b><\/span><\/p>\n

(A) Ohm cm-1<\/sup>
\n(B) Ohm cm-2<\/sup>
\n(C) Ohm-1<\/sup>cm-1<\/sup><\/span>\u00a0\u2713<\/span><\/b>
\n(D) Ohm-1<\/sup>cm-2<\/sup><\/span><\/span><\/p>\n

\u00a0<\/span><\/span><\/b><\/p>\n

44.\u00a0\u0938\u0947\u0932<\/span>\u00a0Zn|AnSO4<\/sub>|| CuSO4<\/sub>|Cu\u00a0\u0915\u093e \u0935\u093f\u0927\u0941\u0924 \u0935\u093e\u0939\u0915 \u092c\u0932<\/span>\u00a01.10\u00a0\u0935\u094b\u0932\u094d\u091f \u0939\u0948\u0964 \u0909\u0938\u0915\u093e \u0915\u0948\u0925\u094b\u0921<\/span><\/span><\/b><\/span><\/p>\n

(A) Zn
\n(B) Cu<\/span>\u00a0\u2713<\/span><\/b>
\n(C) ZnSO4<\/sub>
\n(D) CuSO4<\/sub><\/span><\/span><\/p>\n

\u00a0<\/span><\/span><\/b><\/p>\n

45.\u00a0\u090f\u0915 \u0938\u0947\u0932 \u0915\u093e \u0935\u093f\u0935\u093e\u0966\u092c\u0966 \u0905\u092a\u091a\u092f\u0928 \u0935\u093f\u092d\u0935 \u0915\u0947 \u0936\u092c\u094d\u0926\u094b\u0902 \u092e\u0947\u0902 \u0905\u092a\u0928\u0947 \u0935\u093e\u092f\u0947\u0902 \u0935 \u092c\u093e\u0930\u0947 \u0907\u0932\u0947\u0915\u094d\u091f\u094d\u0930\u094b\u0921\u094b\u0902 \u0915\u0947 \u0932\u093f\u090f \u0939\u094b\u0924\u093e \u0939\u0948\u0964<\/span><\/span><\/b><\/span><\/p>\n

(A) E = E\u00a0\u092c\u093e\u0902\u092f\u093e<\/span><\/sub>\u00a0-E\u00a0\u0926\u093e\u0902\u092f\u093e<\/span><\/sub>
\n(B) E = E\u00a0\u092c\u093e\u0902\u092f\u093e<\/span><\/sub>\u00a0+ E\u00a0\u0926\u093e\u0902\u092f\u093e<\/span><\/sub>
\n(C) E = E\u00a0\u0926\u093e\u0902\u092f\u093e<\/span><\/sub>\u00a0\u2013 E\u00a0\u092c\u093e\u0902\u092f\u093e<\/span><\/sub><\/span>\u00a0\u2713<\/span><\/b>
\n(D) E = E\u00a0\u0926\u093e\u0902\u092f\u093e<\/span><\/sub>\u00a0+ E\u00a0\u092c\u093e\u0902\u092f\u093e<\/span><\/sub><\/span><\/span><\/p>\n

\u00a0<\/span><\/span><\/b><\/p>\n

46. Zn(s) | Zn\u00a02+<\/sup>\u00a0(aq.)||Cu2+<\/sup>(aq.)|Cu(s)\u00a0\u0939\u0948\u0964<\/span><\/span><\/b><\/span><\/p>\n

\u0910\u0928\u094b\u0921<\/span>\u00a0\u00a0\u0915\u0948\u0925\u094b\u0921\u093e<\/span><\/span><\/span><\/p>\n

(A)\u00a0\u0935\u0947\u0938\u094d\u091f\u0928 \u0938\u0947\u0932<\/span>
\n(B)\u00a0\u0921\u0948\u0928\u093f\u092f\u0932 \u0938\u0947\u0932<\/span><\/span>\u00a0\u2713<\/span><\/b>
\n(C)\u00a0\u0915\u0947\u0932\u094b\u092e\u0947\u0932 \u0938\u0947\u0932<\/span>
\n(D)\u00a0\u092e\u093e\u0928\u0915 \u0938\u0947\u0932<\/span><\/span><\/span><\/p>\n

\u00a0<\/span><\/span><\/b><\/p>\n

47. Cd2+<\/sup>, Ag+<\/sup>\u00a0\u0935<\/span>\u00a0Fe2+<\/sup>\u00a0\u0915\u093e \u092e\u093e\u0928\u0915 \u0905\u092a\u091a\u092f\u0928 \u0935\u093f\u092d\u0935 \u0915\u094d\u0930\u092e\u0936\u0903<\/span>\u00a00.40, + 0.80\u00a0\u0924\u0925\u093e<\/span>\u00a0\u2013 0.40\u00a0\u0939\u094b\u0924\u093e \u0939\u0948\u0964 \u0928\u093f\u092e\u094d\u0928 \u092e\u0947\u0902 \u0938\u0947 \u0938\u092c\u0938\u0947 \u092a\u094d\u0930\u092c\u0932 \u0905\u092a\u091a\u093e\u092f\u0915 \u0939\u0948<\/span>\u00a0?<\/span><\/b><\/span><\/p>\n

(A) Cd2+<\/sup>
\n(B) Ag2+<\/sup>
\n(C) Fe2+<\/sup><\/span>\u00a0\u2713<\/span><\/b>
\n(D)\u00a0\u0907\u0928\u092e\u0947\u0902 \u0938\u0947 \u0915\u094b\u0908 \u0928\u0939\u0940\u0902<\/span><\/span><\/span><\/p>\n

\u00a0<\/span><\/p>\n

48.\u00a0\u0938\u0947\u0932 \u0905\u092d\u093f\u0915\u094d\u0930\u093f\u092f\u093e \u092e\u0947\u0902<\/span>\u00a0Cu(s) + 2Ag+<\/sup>(aq.)\u00a0<\/span><\/b>\u2192<\/span><\/b>\u00a0Cu2+<\/sup>(aq.) + 2Ag(s)
\nE\u0966\u0938\u0947\u0932<\/sub><\/span>\u00a0= +0.46 V Cu+2<\/sup>\u00a0\u0906\u092f\u0928\u094b\u0902 \u0915\u0940 \u0938\u093e\u0928\u094d\u0926\u094d\u0930\u0924\u093e \u0915\u094b \u0926\u094b\u0917\u0941\u0928\u093e \u0915\u0930\u0915\u0947<\/span>\u00a0E\u0966\u0938\u0947\u0932<\/sub><\/span>\u00a0\u0939\u094b \u091c\u093e\u0924\u093e \u0939\u0948<\/span><\/span><\/b><\/span><\/p>\n

(A)\u00a0\u0926\u094b\u0917\u0941\u0928\u093e<\/span>
\n(B)\u00a0\u0906\u0927\u093e<\/span>
\n(C)\u00a0\u0926\u094b\u0917\u0941\u0928\u0947 \u0938\u0947 \u0925\u094b\u0921\u093c\u093e \u0915\u092e \u092c\u0922\u093c \u091c\u093e\u0924\u093e \u0939\u0948<\/span>
\n(D)\u00a0\u0905\u092a\u0930\u093f\u0935\u0930\u094d\u0924\u093f\u0924<\/span><\/span>\u00a0\u2713<\/span><\/b><\/span><\/p>\n

\u00a0<\/span><\/span><\/b><\/p>\n

49.\u00a0\u0926\u094b \u0907\u0932\u0947\u0915\u094d\u091f\u094d\u0930\u0949\u0928 \u0906\u0935\u0947\u0936\u094b\u0902 \u0915\u094b \u092a\u094d\u0930\u092f\u0941\u0915\u094d\u0924 \u0915\u0930\u0928\u0947\u0935\u093e\u0932\u0940 \u0938\u0947\u0932 \u0905\u092d\u093f\u0915\u094d\u0930\u093f\u092f\u093e \u0915\u0947 \u0932\u093f\u090f \u0938\u0947\u0932 \u0915\u093e \u092e\u093e\u0928\u0915 \u0935\u093f\u0966\u0935\u093e\u0966\u092c\u0966<\/span>\u00a025\u00b0C\u00a0\u092a\u0930<\/span>\u00a00.295 V\u00a0\u092a\u093e\u092f\u093e \u0917\u092f\u093e\u0964<\/span>\u00a025\u00b0C\u00a0\u092a\u0930 \u0905\u092d\u093f\u0915\u094d\u0930\u093f\u092f\u093e \u0915\u093e \u0938\u093e\u092e\u094d\u092f \u0938\u094d\u0925\u093f\u0930\u093e\u0902\u0915 \u0939\u094b\u0917\u093e<\/span>\u00a0?<\/span><\/b><\/span><\/p>\n

(A) 29.5 x 10-2<\/sup>
\n(B) 10
\n(C) 1 x 1010<\/sup><\/span>\u00a0\u2713<\/span><\/b>
\n(D) 1 x 10-10<\/sup><\/span><\/span><\/p>\n

\u00a0<\/span><\/span><\/b><\/p>\n

50.\u00a0\u0939\u093e\u0907\u0921\u094d\u0930\u094b\u091c\u0928 \u0911\u0915\u094d\u0938\u0940\u091c\u0928 \u0908\u0902\u0927\u0928 \u0938\u0947\u0932 \u092e\u0947\u0902<\/span>,\u00a0\u0939\u093e\u0907\u0921\u094d\u0930\u094b\u091c\u0928 \u0915\u093e \u0926\u0939\u0928 \u0939\u094b\u0924\u093e \u0939\u0948 \u091c\u094b<\/span><\/span><\/b><\/span><\/p>\n

(A)\u00a0\u0905\u0924\u094d\u092f\u0927\u093f\u0915 \u0936\u0941\u0926\u094d\u0927 \u091c\u0932 \u0909\u0924\u094d\u092a\u0928\u094d\u0928 \u0915\u0930\u0924\u093e \u0939\u0948<\/span>
\n(B)\u00a0\u0926\u094b \u0907\u0932\u0947\u0915\u094d\u091f\u094d\u0930\u094b\u0921\u094b\u0902 \u0915\u0947 \u092c\u0940\u091a \u0935\u093f\u092d\u0935\u093e\u0928\u094d\u0924\u0930 \u0909\u0924\u094d\u092a\u0928\u094d\u0928 \u0915\u0930\u0924\u093e \u0939\u0948<\/span><\/span>\u00a0\u2713<\/span><\/b>
\n(C)\u00a0\u090a\u0937\u094d\u092e\u093e \u0909\u0924\u094d\u092a\u0928\u094d\u0928 \u0915\u0930\u0924\u093e \u0939\u0948<\/span>
\n(D)\u00a0\u0907\u0932\u0947\u0915\u094d\u091f\u094d\u0930\u0949\u0928 \u0938\u0924\u0939 \u0938\u0947 \u0905\u0935\u0936\u094b\u0937\u093f\u0924 \u0911\u0915\u094d\u0938\u0940\u091c\u0928 \u0928\u093f\u0915\u093e\u0932\u0924\u093e \u0939\u0948<\/span><\/span><\/span><\/p>\n

\u00a0<\/span><\/span><\/b><\/p>\n

51.\u00a0\u0938\u094d\u0935\u0924\u0903 \u0905\u092d\u093f\u0915\u094d\u0930\u093f\u092f\u093e \u0915\u0947 \u0932\u093f\u090f<\/span>\u00a0AG,\u00a0\u0938\u093e\u092e\u094d\u092f \u0938\u094d\u0925\u093f\u0930\u093e\u0902\u0915<\/span>\u00a0K\u00a0\u0935<\/span>\u00a0E\u00a0\u0938\u0947\u0932 \u0915\u094d\u0930\u092e\u0936\u0903 \u0939\u094b\u0917\u093e<\/span><\/span><\/b><\/span><\/p>\n

(A) \u2013ve > 1 + ve<\/span>\u00a0\u2713<\/span><\/b>
\n(B) +ve > 1 >-ve
\n(C) \u2013ve > 1 <-ve
\n(D) -ve > 1 >-ve<\/span><\/span><\/p>\n

\u00a0<\/span><\/span><\/b><\/p>\n

52.\u00a0\u0924\u093e\u092a\u092e\u093e\u0928 \u092e\u0947\u0902 \u0935\u0943\u0926\u094d\u0927\u093f \u0915\u0947 \u0938\u093e\u0925 \u0927\u093e\u0924\u0941 \u0915\u0940 \u091a\u093e\u0932\u0915\u0924\u093e<\/span><\/span><\/b><\/span><\/p>\n

(A)\u00a0\u092c\u0922\u093c\u0924\u0940 \u0939\u0948<\/span>
\n(B)\u00a0\u0918\u091f\u0924\u0940 \u0939\u0948<\/span><\/span>\u00a0\u2713<\/span><\/b>
\n(C)\u00a0\u0905\u092a\u0930\u093f\u0935\u0930\u094d\u0924\u093f\u0924 \u0930\u0939\u0924\u0940 \u0939\u0948 \u0938<\/span>
\n(D)\u00a0\u0926\u0941\u0917\u0941\u0928\u0940 \u0939\u094b\u0924\u0940 \u0939\u0948<\/span><\/span><\/span><\/p>\n

\u00a0<\/span><\/span><\/b><\/p>\n

53.\u00a0\u0918\u094b\u0932 \u0915\u0940 \u0924\u0941\u0932\u094d\u092f\u093e\u0902\u0915\u0940 \u091a\u093e\u0932\u0915\u0924\u093e<\/span>,\u00a0\u0935\u093f\u0936\u093f\u0937\u094d\u091f \u091a\u093e\u0932\u0915\u0924\u093e \u090f\u0935\u0902 \u0938\u093e\u092e\u093e\u0928\u094d\u092f\u0924\u093e \u092e\u0947\u0902 \u0938\u092e\u094d\u092c\u0928\u094d\u0927 \u0939\u0948<\/span><\/span><\/b><\/span><\/p>\n

(A) Av = Kv<\/sub>+ c
\n(B) Kv = Av<\/sub>\/c
\n(C) Av = Kv<\/sub>\u00a0+ c
\n(D) Av = 1000\/c kv<\/i><\/span>\u00a0\u2713<\/span><\/b><\/span><\/p>\n

\u00a0<\/span><\/span><\/b><\/p>\n

54.\u00a0\u0938\u0947\u0932 \u0905\u092d\u093f\u0915\u094d\u0930\u093f\u092f\u093e \u0915\u093e \u0935\u093f\u0927\u0941\u0924 \u0935\u093e\u0939\u0915 \u092c\u0932<\/span>\u00a0Zn + Fe++\u00a0<\/sup><\/span><\/b>\u2192<\/span><\/b>Zn++<\/sup>\u00a0Fe\u00a0\u0939\u0948\u0902<\/span><\/span><\/b><\/span><\/p>\n

(A) -0.35 v
\n(B) + 0.35v(C) \u20131.17v<\/span>\u00a0\u2713<\/span><\/b><\/span><\/p>\n

(C) 0.41V
\n(D) +1.17v<\/span><\/span><\/p>\n

\u00a0<\/span><\/b><\/span><\/p>\n

55.\u00a0\u0928\u093f\u092e\u094d\u0928\u0932\u093f\u0916\u093f\u0924 \u092e\u0947\u0902 \u090f\u0915 \u0906\u092f\u0928\u093f\u0915 \u092f\u094c\u0917\u093f\u0915 \u0939\u0948<\/span><\/span><\/b><\/span><\/p>\n

(A)\u00a0\u0905\u0932\u094d\u0915\u094b\u0939\u0932<\/span>
\n(B)\u00a0\u0939\u093e\u0907\u0921\u094d\u0930\u094b\u091c\u0928 \u0915\u094d\u0932\u094b\u0930\u093e\u0907\u0921<\/span>
\n(C)\u00a0\u0936\u0915\u094d\u0915\u0930<\/span>
\n(D)\u00a0\u0938\u094b\u0921\u093f\u092f\u092e \u0928\u093e\u0907\u091f\u094d\u0930\u0947\u091f<\/span><\/span>\u00a0\u2713<\/span><\/b><\/span><\/p>\n

\u00a0<\/span><\/p>\n

56.\u00a0\u0938\u094b\u0921\u093f\u092f\u092e \u092b\u094d\u0932\u094b\u0930\u093e\u0907\u0921 \u0915\u0947 \u091c\u0932\u0940\u092f \u0918\u094b\u0932 \u0915\u093e \u0935\u093f\u0927\u0941\u0924 \u0935\u093f\u091a\u094d\u091b\u0947\u0926\u0928 \u0915\u0930\u093e\u0928\u0947 \u092a\u0930 \u0927\u0928\u094b\u0926 \u090f\u0935\u0902 \u090b\u0923\u094b\u0926 \u092a\u0930 \u092a\u094d\u0930\u093e\u092a\u094d\u0924 \u092a\u094d\u0930\u0924\u093f\u092b\u0932 \u0939\u0948<\/span><\/span><\/b><\/span><\/p>\n

(A) F2<\/sub>, Na
\n(B) F2<\/sub>, H2<\/sub>
\n(C) 02<\/sub>, Na
\n(D) 02<\/sub>, H2<\/sub><\/span>\u00a0\u2713<\/span><\/b><\/span><\/p>\n

\u00a0<\/span><\/span><\/b><\/p>\n

57.\u00a0\u0935\u093f\u0927\u0941\u0924 \u0915\u0940 \u0935\u0939 \u092e\u093e\u0924\u094d\u0930\u093e \u091c\u094b<\/span>\u00a0AgNO3\u00a0\u0915\u0947 \u0918\u094b\u0932 \u092e\u0947\u0902 \u0938\u0947<\/span>\u00a0108\u00a0\u0917\u094d\u0930\u093e\u092e<\/span>\u00a0Ag\u00a0\u091c\u092e\u093e \u0915\u0930\u093e \u0938\u0915\u0924\u093e \u0939\u0948\u0902\u0964<\/span><\/span><\/b><\/span><\/p>\n

(A) 1\u00a0\u092b\u0948\u0930\u093e\u0921\u0947<\/span><\/span>\u00a0\u2713<\/span><\/b>
\n(B) 1\u00a0\u090f\u092e\u094d\u092a\u0940\u092f\u0930<\/span>
\n(C) 1\u00a0\u0915\u0942\u0932\u0949\u092e<\/span>
\n(D)\u00a0\u0907\u0928\u092e\u0947\u0902 \u0938\u0947 \u0915\u094b\u0908 \u0928\u0939\u0940\u0902<\/span><\/span><\/span><\/p>\n

\u00a0<\/span><\/span><\/b><\/p>\n

58.\u00a0\u0928\u093f\u092e\u094d\u0928 \u092e\u0947\u0902 \u0938\u0947 \u0915\u094c\u0928 \u0938\u093e \u0938\u092c\u0938\u0947 \u0936\u0915\u094d\u0924\u093f\u0936\u093e\u0932\u0940 \u0911\u0915\u094d\u0938\u0940\u0915\u093e\u0930\u0915 \u0939\u0948<\/span><\/span><\/b><\/span><\/p>\n

(A) F2<\/sub><\/span>\u00a0\u2713<\/span><\/b>
\n(B) Cl2<\/sub>
\n(C) Br2<\/sub>
\n(D) I2<\/sub><\/span><\/span><\/p>\n

\u00a0<\/span><\/span><\/b><\/p>\n

59.\u00a0\u090f\u0915 \u0938\u093e\u092e\u093e\u0928\u094d\u092f \u0939\u093e\u0907\u0921\u094d\u0930\u094b\u091c\u0928 \u0907\u0932\u0947\u0915\u094d\u091f\u094d\u0930\u094b\u0921 \u0915\u093e \u0907\u0932\u0947\u0915\u094d\u091f\u094d\u0930\u094b\u0921 \u0935\u093f\u092d\u0935 \u0936\u0942\u0928\u094d\u092f \u0939\u0948 \u0915\u094d\u092f\u094b\u0902\u0915\u093f \u092a\u093e\u0928\u0940 \u092e\u0947\u0902<\/span><\/span><\/b><\/span><\/p>\n

(A)\u00a0\u0939\u093e\u0907\u0921\u094d\u0930\u094b\u091c\u0928 \u0906\u0938\u093e\u0928\u0940 \u0938\u0947 \u0911\u0915\u094d\u0938\u0940\u091c\u0928 \u0939\u094b\u0924\u093e \u0939\u0948<\/span>
\n(B)\u00a0\u0907\u0932\u0947\u0915\u094d\u091f\u094d\u0930\u094b\u0921 \u0915\u093e \u0935\u093f\u092d\u0935 \u0936\u0942\u0928\u094d\u092f \u092e\u093e\u0928\u093e \u0917\u092f\u093e \u0939\u0948<\/span><\/span>\u00a0\u2713<\/span><\/b>
\n(C)\u00a0\u0939\u093e\u0907\u0921\u094d\u0930\u094b\u091c\u0928 \u092a\u0930\u092e\u093e\u0923\u0941 \u0915\u093e \u0915\u0947\u0935\u0932 \u090f\u0915 \u0907\u0932\u0947\u0915\u094d\u091f\u094d\u0930\u0949\u0928 \u0939\u0948<\/span>
\n(D)\u00a0\u0939\u093e\u0907\u0921\u094d\u0930\u094b\u091c\u0928 \u0938\u092c\u0938\u0947 \u0939\u0932\u094d\u0915\u093e \u0924\u0924\u094d\u0924\u094d\u0935 \u0939\u0948<\/span><\/span><\/span><\/p>\n

\u00a0<\/span><\/span><\/b><\/p>\n

60.\u00a0\u0915\u093f\u0938\u0940 \u092a\u0926\u093e\u0930\u094d\u0925 \u0915\u0940 \u0905\u092d\u093f\u0915\u094d\u0930\u093f\u092f\u093e \u0915\u0940 \u0926\u0930 \u0928\u093f\u092e\u094d\u0928\u0932\u093f\u0916\u093f\u0924 \u092e\u0947\u0902 \u0915\u093f\u0938 \u092a\u0930 \u0928\u093f\u0930\u094d\u092d\u0930 \u0915\u0930\u0924\u093e \u0939\u0948\u0964<\/span><\/span><\/b><\/span><\/p>\n

(A)\u00a0\u092a\u0930\u092e\u093e\u0923\u0941 \u0926\u094d\u0930\u0935\u094d\u092f\u092e\u093e\u0928<\/span>
\n(B)\u00a0\u0938\u092e\u0924\u0941\u0932\u094d\u092f \u0926\u094d\u0930\u0935\u094d\u092f\u092e\u093e\u0928<\/span>
\n(C)\u00a0\u0905\u0923\u0941 \u0926\u094d\u0930\u0935\u094d\u092f\u092e\u093e\u0928<\/span>
\n(D)\u00a0\u0938\u0915\u094d\u0930\u093f\u092f \u092e\u093e\u0924\u094d\u0930\u093e\u092e\u093e<\/span><\/span>\u00a0\u2713<\/span><\/b><\/span><\/p>\n

\u00a0<\/span><\/span><\/b><\/p>\n

61.\u00a0\u0921\u0947\u0928\u093f\u092f\u0932 \u0938\u0947\u0932 \u092e\u0947\u0902 \u0939\u094b\u0928\u0947\u0935\u093e\u0932\u0940 \u0938\u0947\u0932 \u0905\u092d\u093f\u0915\u094d\u0930\u093f\u092f\u093e \u0939\u0948\u0964<\/span><\/span><\/b><\/span><\/p>\n

(A) Zn + Cu<\/span>\u2192<\/span>\u00a0Zn2+<\/sup>\u00a0+ Cu2+<\/sup>
\n(B) Zn2+<\/sup>\u00a0+ Cu2+<\/sup>\u00a0<\/span>\u2192<\/span>\u00a0Zn + Cu2+<\/sup>
\n(C) Zn + Cu2+<\/sup><\/span>\u2192<\/span>\u00a0Zn2+<\/sup>\u00a0+ Cu<\/span>\u00a0\u2713<\/span><\/b>
\n(D) Zn2+<\/sup>\u00a0+ Cu2+<\/sup>\u00a0<\/span>\u2192<\/span>\u00a0Zn + Cu<\/span><\/span><\/p>\n

\u00a0<\/span><\/span><\/b><\/p>\n

62.\u00a0\u0938\u093f\u0932\u094d\u0935\u0930 \u0928\u093e\u0907\u091f\u094d\u0930\u0947\u091f \u0915\u0947 \u0918\u094b\u0932 \u0938\u0947<\/span>\u00a0108\u00a0\u0917\u094d\u0930\u093e\u092e \u0938\u093f\u0932\u094d\u0935\u0930 \u092e\u0941\u0915\u094d\u0924 \u0915\u0930\u0928\u0947 \u0915\u0947 \u0932\u093f\u090f \u0935\u093f\u0927\u0941\u0924 \u0927\u093e\u0930\u093e \u0915\u0940 \u091c\u094b \u092e\u093e\u0924\u094d\u0930\u093e \u0915\u0940 \u0906\u0935\u0936\u094d\u092f\u0915\u0924\u093e \u0939\u094b\u0924\u0940 \u0939\u0948<\/span>,\u00a0\u0935\u0939 \u0939\u0948<\/span><\/span><\/b><\/span><\/p>\n

(A) 1\u00a0\u0910\u092e\u094d\u092a\u0940\u092f\u0930<\/span>
\n(B) 1\u00a0\u0915\u0942\u0932\u092e\u094d\u092c<\/span>
\n(C) 1\u00a0\u092b\u0948\u0930\u093e\u0921\u0947<\/span><\/span>\u00a0\u2713<\/span><\/b>
\n(D) 2\u00a0\u0910\u092e\u094d\u092a\u0940\u092f\u0930<\/span><\/span><\/span><\/p>\n

\u00a0<\/span><\/span><\/b><\/p>\n

\u00a0<\/span><\/span><\/b><\/p>\n

63.\u00a0\u090f\u0915 \u092b\u0948\u0930\u093e\u0921\u0947 \u0915\u093e \u0935\u093f\u0927\u0941\u0924<\/span>\u00a0Cuso4<\/sub>\u00a0\u0915\u0947 \u0918\u094b\u0932 \u0938\u0947 \u0915\u093f\u0924\u0928\u093e \u0917\u094d\u0930\u093e\u092e \u0924\u093e\u0901\u092c\u093e \u092e\u0941\u0915\u094d\u0924 \u0915\u0930\u0924\u093e \u0939\u0948<\/span>\u00a0?<\/span><\/b><\/span><\/p>\n

(A) 63.5
\n(B) 31.75<\/span>\u00a0\u2713<\/span><\/b>
\n(C) 96500
\n(D) 100<\/span><\/span><\/p>\n

\u00a0<\/span><\/span><\/b><\/p>\n

64.\u00a0\u0928\u093f\u092e\u094d\u0928 \u092e\u0947\u0902 \u0915\u094c\u0928 \u0932\u0948\u0928\u094d\u0925\u0947\u0928\u0949\u092f\u0921 \u0905\u0928\u0941\u091a\u0941\u092e\u094d\u092c\u0915\u0940\u092f \u0939\u0948<\/span>\u00a0?<\/span><\/b><\/span><\/p>\n

(A) Ce4+<\/sup>
\n(B) Yb2+<\/sup>
\n(C) Eu2+<\/sup><\/span>\u00a0\u2713<\/span><\/b>
\n(D) Lu2+<\/sup><\/span><\/span><\/p>\n

\u00a0<\/span><\/span><\/b><\/p>\n

65.\u00a0\u0928\u093f\u092e\u094d\u0928\u0932\u093f\u0916\u093f\u0924 \u092e\u0947\u0902 \u0938\u0947 \u0915\u094c\u0928-\u0938\u0940 \u092a\u094d\u0930\u0924\u093f\u0915\u094d\u0930\u093f\u092f\u093e \u0938\u092e\u094d\u092d\u0935 \u0928\u0939\u0940\u0902 \u0939\u0948\u0964 \u0915\u093e\u0930\u0915<\/span>\u00a07.<\/span><\/b><\/span><\/p>\n

(A) Cu + 2AgNO3<\/sub>\u00a0<\/span>\u2192<\/span>\u00a0Cu(NO3<\/sub>)2<\/sub>\u00a0+ 2Ag
\n(B) CaO + H2<\/sub>\u00a0+ Ca + H2<\/sub>O<\/span>\u00a0\u2713<\/span><\/b>
\n(C) Cu0+ H2<\/sub>\u00a0<\/span>\u2192<\/span>Cu+H2<\/sub>O
\n(D) Fe+H2<\/sub>SO4<\/sub>\u00a0<\/span>\u2192<\/span>\u00a0FeSO4<\/sub>\u00a0+H2<\/sub>0<\/span><\/span><\/p>\n

\u00a0<\/span><\/span><\/b><\/p>\n

66.\u00a0\u0935\u093f\u0927\u0941\u0924 \u0930\u093e\u0938\u093e\u092f\u0928\u093f\u0915 \u0936\u094d\u0930\u0947\u0923\u0940 \u0915\u0947 \u0906\u0927\u093e\u0930 \u092a\u0930 \u0924\u0928\u0941 \u0905\u092e\u094d\u0932\u094b\u0902 \u0938\u0947 \u092a\u094d\u0930\u0924\u093f\u0915\u094d\u0930\u093f\u092f\u093e \u0915\u0930 \u0939\u093e\u0907\u0921\u094d\u0930\u094b\u091c\u0928 \u0928\u0939\u0940\u0902 \u092a\u094d\u0930\u0926\u093e\u0928 \u0915\u0930\u0928\u0947 \u0935\u093e\u0932\u0940 \u0927\u093e\u0924\u0941\u090f\u0901 \u0939\u0948\u0902<\/span><\/span><\/b><\/span><\/p>\n

(A) Ca, Sr, Ba
\n(B) Cu, Ag, Au<\/span>\u00a0\u2713<\/span><\/b>
\n(C) Zn, Fe, Pb
\n(D) Na, Zn, AI, Cu<\/span><\/span><\/p>\n

\u00a0<\/span><\/span><\/b><\/p>\n

\u00a0<\/span><\/span><\/b><\/p>\n

67.\u00a0\u0924\u0928\u0941<\/span>\u00a0H2<\/sub>SO4<\/sub>\u00a0\u0915\u0947 \u0935\u093f\u0927\u0941\u0924 \u0905\u092a\u0918\u091f\u0928 \u0926\u094d\u0935\u093e\u0930\u093e<\/span>\u00a0NTP\u00a0\u092a\u0930<\/span>\u00a05600 cm3<\/sup>\u00a0\u0911\u0915\u094d\u0938\u0940\u091c\u0928 \u0917\u0948\u0938 \u092c\u0928\u093e\u0928\u0947 \u0915\u0947 \u0932\u093f\u090f \u0915\u093f\u0924\u0928\u0940 \u0935\u093f\u0927\u0941\u0924 \u092a\u094d\u0930\u092f\u0941\u0915\u094d\u0924 \u0939\u094b\u0917\u0940<\/span><\/span><\/b><\/span><\/p>\n

(A) 0.50 F
\n(B) 1.00 F<\/span>\u00a0\u2713<\/span><\/b>
\n(C) 1.50 F
\n(D) 2.0 F<\/span><\/span><\/p>\n

\u00a0<\/span><\/span><\/b><\/p>\n

68.\u00a0\u091a\u093e\u0930 \u0924\u0924\u094d\u0924\u094d\u0935\u094b\u0902<\/span>\u00a0A, B, C\u00a0\u0924\u0925\u093e<\/span>\u00a0D\u00a0\u0915\u0947 \u092e\u093e\u0928\u0915 \u0905\u092a\u091a\u092f\u0928 \u0935\u093f\u092d\u0935 \u0915\u094d\u0930\u092e\u0936\u0903 –<\/span>2.90, +1.50, -0.74\u00a0\u0924\u0925\u093e +<\/span>0.34\u00a0\u0935\u094b\u0932\u094d\u091f \u0939\u0948\u0902\u0964 \u0907\u0928\u092e\u0947\u0902 \u0938\u0930\u094d\u0935\u093e\u0927\u093f\u0915 \u092a\u094d\u0930\u092c\u0932 \u0905\u092a\u091a\u093e\u092f\u0915 \u0939\u0948\u0964<\/span><\/span><\/b><\/span><\/p>\n

(A) A<\/span>\u00a0\u2713<\/span><\/b>
\n(B) B
\n(C) C
\n(D) D<\/span><\/span><\/p>\n

\u00a0<\/span><\/span><\/b><\/p>\n

69. Mg, K, Fe\u00a0\u0914\u0930<\/span>\u00a0Zn\u00a0\u0927\u093e\u0924\u0941\u0913\u0902 \u0915\u0940 \u0905\u092a\u091a\u093e\u092f\u0915 \u0915\u094d\u0937\u092e\u0924\u093e \u0915\u093e \u092c\u0922\u093c\u0924\u093e \u0915\u094d\u0930\u092e \u0939\u0948 \u0964<\/span><\/span><\/b><\/span><\/p>\n

(A) K<Mg < Fe<Zn
\n(B) K<Mg < Zn< Fe
\n(C) Fe< Zn < Mg < K<\/span>\u00a0\u2713<\/span><\/b>
\n(D) Zn < Fe < Mg <K<\/span><\/span><\/p>\n

\u00a0<\/span><\/span><\/b><\/p>\n

70.\u00a0\u0935\u093f\u0936\u093f\u0937\u094d\u091f \u091a\u093e\u0932\u0915\u0924\u093e \u0915\u093e \u092e\u093e\u0928 \u091a\u093e\u0932\u0915\u0924\u093e \u0915\u0947 \u092e\u093e\u0928 \u0915\u0947 \u092c\u0930\u093e\u092c\u0930 \u0939\u094b\u0917\u093e \u091c\u092c<\/span><\/span><\/b><\/span><\/p>\n

(A)\u00a0\u0938\u0947\u0932 \u0938\u094d\u0925\u093f\u0930\u093e\u0902\u0915 \u0915\u093e \u092e\u093e\u0928 \u0936\u0942\u0928\u094d\u092f \u0939\u093e\u0902<\/span>
\n(B)\u00a0\u0938\u0902\u0932 \u0938\u094d\u0925\u093f\u0930\u093e\u0902\u0915 \u0915\u093e \u092e\u093e\u0928 \u090f\u0915 \u0939\u094b<\/span><\/span>\u00a0\u2713<\/span><\/b>
\n(C)\u00a0\u091c\u092c \u0907\u0932\u0915\u094d\u091f\u094d\u0930\u093e\u0902\u0921 \u0924\u093e\u092c\u093e \u0915\u093e \u092c\u0928\u093e \u0939\u094b<\/span>
\n(D)\u00a0\u091c\u092c \u0938\u0947\u0932 \u0915\u093e \u0906\u0915\u093e\u0930 \u092c\u0939\u0941\u0924 \u092c\u0921\u093c\u093e \u0939\u094b<\/span><\/span><\/span><\/p>\n

\u00a0<\/span><\/span><\/b><\/p>\n

71. 0.5\u00a0\u090f\u092e\u094d\u092a\u093f\u092f\u0930 \u0915\u0940 \u0935\u093f\u0927\u0941\u0924 \u0927\u093e\u0930\u093e<\/span>\u00a030\u00a0\u092e\u093f\u0928\u091f \u0924\u0915 \u0915\u0949\u092a\u0930 \u0938\u0932\u094d\u092b\u0947\u091f (<\/span>Cuso4<\/sub>)\u00a0\u0915\u0947 \u0935\u093f\u0932\u092f\u0928 \u0938\u0947 \u092a\u094d\u0930\u0935\u093e\u0939\u093f\u0924 \u0915\u0930\u0928\u0947 \u092a\u0930 \u0915\u093f\u0924\u0928\u093e \u0915\u0949\u092a\u0930 \u0928\u093f\u0915\u094d\u0937\u0947\u092a\u093f\u0924 \u0939\u094b\u0917\u093e<\/span>\u00a0?<\/span><\/b><\/span><\/p>\n

(A) 0.582\u00a0\u0917\u094d\u0930\u093e\u092e<\/span>
\n(B) 0.296\u00a0\u0917\u094d\u0930\u093e\u092e<\/span><\/span>\u00a0\u2713<\/span><\/b>
\n(C) 0.184\u00a0\u0917\u094d\u0930\u093e\u092e<\/span>
\n(D) 0.635\u00a0\u0917\u094d\u0930\u093e\u092e<\/span><\/span><\/span><\/p>\n

\u00a0<\/span><\/span><\/b><\/p>\n

72. AICI3<\/sub>\u00a0\u0915\u0947 \u0918\u094b\u0932 \u0938\u0947 \u090f\u0915 \u092e\u094b\u0932 \u0910\u0932\u094d\u092f\u0941\u092e\u093f\u0928\u093f\u092f\u092e \u0915\u094b \u0907\u0932\u0947\u0915\u094d\u091f\u094d\u0930\u094b\u0921 \u092a\u0930 \u091c\u092e\u093e \u0939\u094b\u0928\u0947 \u092e\u0947\u0902 \u0935\u093f\u0927\u0941\u0924 \u0915\u0940 \u0906\u0935\u0936\u094d\u092f\u0915\u0924\u093e \u0939\u094b\u0917\u0940<\/span><\/span><\/b><\/span><\/p>\n

(A) 1 F
\n(B) 3 F<\/span>\u00a0\u2713<\/span><\/b>
\n(C) 0.33 F
\n(D) 1 Amp<\/span><\/span><\/p>\n

\u00a0<\/span><\/span><\/b><\/p>\n

73. 298 k\u00a0\u092a\u0930 \u0928\u093f\u092e\u094d\u0928\u0932\u093f\u0916\u093f\u0924 \u0905\u0930\u094d\u0926\u094d\u0927\u0938\u0947\u0932 \u092a\u094d\u0930\u0924\u093f\u0915\u094d\u0930\u093f\u092f\u093e \u0915\u0947 \u0932\u093f\u090f \u092a\u0930\u092e \u0905\u0935\u0915\u0930\u0923 \u0907\u0932\u0947\u0915\u094d\u091f\u094d\u0930\u094b\u0921 \u0935\u093f\u092d\u0935 \u0915\u093e \u092e\u093e\u0928 \u0926\u093f\u092f\u093e \u0917\u092f\u093e \u0939\u0948<\/span><\/span><\/b><\/span><\/p>\n

Znt++<\/sup>(aq) + 2e\u2013<\/sup><\/span>\u2192<\/span>\u00a0Zn(s), -0.762<\/span><\/span><\/p>\n

Cr3+<\/sup>(aq) + 3e\u2013<\/sup>\u00a0<\/span>\u2192<\/span>Cr(s),-0.740<\/span><\/span><\/p>\n

2H+<\/sup>(aq) + 2e\u2013<\/sup>\u00a0<\/span>\u2192<\/span>H2<\/sub>(g), 0.000<\/span><\/span><\/p>\n

Fe3+<\/sup>(aq) + e\u2013<\/sup><\/span>\u2192<\/span>\u00a0Fe++<\/sup>(aq), -0.770<\/span><\/span><\/p>\n

\u00a0<\/span><\/span><\/b><\/p>\n

\u00a0<\/span><\/p>\n

\u00a0<\/span><\/p>\n

36.\u00a0\u0915\u0949\u092a\u0930 \u0938\u0932\u094d\u092b\u0947\u091f (<\/span>CuSO4<\/sub>)\u00a0\u0915\u094b \u090f\u0932\u094d\u092f\u0942\u092e\u093f\u0928\u093f\u092f\u092e \u0915\u0947 \u092c\u0930\u094d\u0924\u0928 \u092e\u0947\u0902 \u0928\u0939\u0940\u0902 \u0930\u0916\u093e \u091c\u093e \u0938\u0915\u0924\u093e \u0939\u0948 \u0915\u094d\u092f\u094b\u0902\u0915\u093f<\/span><\/span><\/b><\/span><\/p>\n

(A) Cu++<\/sup>\u00a0\u0911\u0915\u094d\u0938\u0940\u0915\u0943\u0924 \u0939\u094b \u091c\u093e\u0924\u093e \u0939\u0948<\/span>
\n(B) Cu++<\/sup>\u00a0\u0905\u0935\u0915\u0943\u0924 \u0939\u094b \u091c\u093e\u0924\u093e \u0939\u0948 \u0964<\/span><\/span>\u00a0\u2713<\/span><\/b>
\n(C) A1\u00a0\u0905\u0935\u0915\u0943\u0924 \u0939\u094b \u091c\u093e\u0924\u093e \u0939\u0948<\/span>
\n(D) CuSO4<\/sub>\u00a0\u0935\u093f\u0918\u091f\u093f\u0924 \u0939\u094b \u091c\u093e\u0924\u093e \u0939\u0948<\/span><\/span><\/span><\/p>\n

\u00a0<\/span><\/p>\n

74.\u00a0\u0928\u093f\u092e\u094d\u0928\u0932\u093f\u0916\u093f\u0924 \u092e\u0947\u0902 \u0938\u0947 \u0915\u093f\u0938 \u092a\u0926\u093e\u0930\u094d\u0925 \u0915\u0947 \u0918\u094b\u0932 \u0915\u094b \u0915\u0949\u092a\u0930 \u0915\u0947 \u092c\u0930\u094d\u0924\u0928 \u092e\u0947\u0902 \u0938\u0941\u0930\u0915\u094d\u0937\u093f\u0924 \u0930\u0916\u093e \u091c\u093e \u0938\u0915\u0924\u093e \u0939\u0948<\/span><\/span><\/b><\/span><\/p>\n

(A) ZnSO4<\/sub><\/span>\u00a0\u2713<\/span><\/b>
\n(B) AgNO3<\/sub>
\n(C) AuCI3<\/sub>
\n(D)\u00a0\u0907\u0928\u092e\u0947\u0902 \u0938\u0947 \u0938\u092d\u0940 \u0915\u094b<\/span><\/span><\/span><\/p>\n

\u00a0<\/span><\/p>\n

75.\u00a0\u0928\u093f\u092e\u094d\u0928\u0932\u093f\u0916\u093f\u0924 \u092e\u0947\u0902 \u0938\u0947 \u0915\u094c\u0928 \u0927\u093e\u0924\u0941 \u0915\u0949\u092a\u0930 \u0938\u0932\u094d\u092b\u0947\u091f (<\/span>CuSO4<\/sub>)\u00a0\u0915\u0947 \u0938\u093e\u0925 \u092a\u094d\u0930\u0924\u093f\u0915\u094d\u0930\u093f\u092f\u093e \u0928\u0939\u0940\u0902 \u0915\u0930\u0924\u093e \u0939\u0948<\/span>\u00a0?<\/span><\/b><\/span><\/p>\n

(A) Fe
\n(B) Zn
\n(C) Mg
\n(D) Ag<\/span>\u00a0\u2713<\/span><\/b><\/span><\/p>\n

\u00a0<\/span><\/span><\/b><\/p>\n

76.\u00a0\u0938\u093e\u0932\u094d\u091f \u092c\u094d\u0930\u093f\u091c \u092e\u0947\u0902<\/span>\u00a0KCI\u00a0\u0915\u093e \u0909\u092a\u092f\u094b\u0917 \u0915\u093f\u092f\u093e \u091c\u093e\u0924\u093e \u0939\u0948 \u0915\u094d\u092f\u094b\u0902\u0915\u093f<\/span><\/span><\/b><\/span><\/p>\n

(A) K+<\/sup>\u0924\u0925\u093e<\/span>\u00a0Cl\u2013\u00a0<\/sup>\u0907\u0938\u094b\u0907\u0932\u0947\u0915\u094d\u091f\u093f\u0949\u0928\u093f\u0915 \u0939\u0948<\/span>
\n(B) K+<\/sup>\u0924\u0925\u093e<\/span>\u00a0Cl\u2013\u00a0<\/sup>\u0915\u093e \u0938\u092e\u093e\u0928 \u091f\u094d\u0930\u093e\u0928\u094d\u0938\u092a\u094b\u0930\u094d\u091f \u0938\u0902\u0916\u094d\u092f\u093e \u0939\u0948 \u0915\u0940 \u0915\u093e\u092e\u0928\u093e \u0915\u0930<\/span><\/span>\u00a0\u2713<\/span><\/b>
\n(C) KCl\u00a0\u090f\u0915 \u092a\u094d\u0930\u092c\u0932 \u0907\u0932\u0947\u0915\u094d\u091f\u094d\u0930\u094b\u0932\u093e\u0907\u091f \u0939\u0948<\/span>
\n(D) KCI\u00a0\u090f\u0915 \u0905\u091a\u094d\u091b\u093e \u091c\u0947\u0932\u0940 \u092c\u0928\u0924\u093e \u0939\u0948 \u0905\u0917\u0930-\u0905\u0917\u0930 \u0915\u0947 \u0938\u093e\u0925<\/span><\/span><\/span><\/p>\n

\u00a0<\/span><\/span><\/b><\/p>\n

\u00a0<\/span><\/p>\n

77. KNO3<\/sub>\u00a0\u0915\u093e \u0938\u0902\u0924\u0943\u092a\u094d\u0924 \u0935\u093f\u0932\u092f\u0928<\/span>\u00a0\u2018\u0932\u0935\u0923 \u0938\u0947\u0924\u0942\u2019<\/span>\u00a0\u092c\u0928\u093e\u0928\u0947 \u0915\u0947 \u0932\u093f\u090f \u0909\u092a\u092f\u094b\u0917 \u0915\u093f\u092f\u093e \u091c\u093e\u0924\u093e \u0939\u0948 \u0915\u094d\u092f\u094b\u0902\u0915\u093f<\/span><\/span><\/b><\/span><\/p>\n

(A) K+<\/sup>\u00a0\u0915\u0940 \u0917\u0924\u093f<\/span>\u00a0NO\u2013<\/sup>3<\/sub>\u00a0\u0938\u0947 \u0905\u0927\u093f\u0915 \u0939\u0948<\/span>
\n(B) NO\u2013<\/sup>3<\/sub>\u00a0\u0915\u0940 \u0917\u0924\u093f<\/span>\u00a0K+<\/sup>\u00a0\u0938\u0947 \u0905\u0927\u093f\u0915 \u0939\u0948<\/span>
\n(C)\u00a0\u0926\u094b\u0928\u094b\u0902<\/span>\u00a0K+<\/sup>\u00a0\u0914\u0930<\/span>\u00a0NO\u2013<\/sup>3<\/sub>\u00a0\u0915\u0940 \u0917\u0924\u093f\u092f\u093e\u0901 \u0932\u0917\u092d\u0917 \u0938\u092e\u093e\u0928 \u0939\u0948<\/span><\/span>\u00a0\u2713<\/span><\/b>
\n(D) KNO3<\/sub>\u00a0\u091c\u0932 \u092e\u0947\u0902 \u0905\u0927\u093f\u0915 \u0918\u0941\u0932\u0928\u0936\u0940\u0932 \u0939\u0948<\/span><\/span><\/span><\/p>\n

\u00a0<\/span><\/span><\/b><\/p>\n

78.\u00a0\u092f\u0926\u093f \u0907\u0932\u0947\u0915\u094d\u091f\u094d\u0930\u0949\u0928\u093f\u0915 \u0935\u093f\u0932\u092f\u0928 \u0915\u094b \u0928\u094c \u0917\u0941\u0923\u093e \u0924\u0915 \u0924\u0928\u0941 \u0915\u0930 \u0926\u093f\u092f\u093e \u091c\u093e\u092f \u0924\u094b \u0909\u0938\u0915\u0940 \u091a\u093e\u0932\u0915\u0924\u093e<\/span><\/span><\/b><\/span><\/p>\n

(A)\u00a0\u0928\u094c \u0917\u0941\u0923\u093e \u092c\u0922\u093c \u091c\u093e\u092f\u0947\u0917\u0940<\/span><\/span>\u00a0\u2713<\/span><\/b>
\n(B)\u00a0\u0928\u094c \u0917\u0941\u0923\u093e \u0918\u091f \u091c\u093e\u092f\u0947\u0917\u093e<\/span>
\n(C)\u00a0\u0905\u092a\u0930\u093f\u0935\u0930\u094d\u0924\u093f\u0924 \u0930\u0939\u0947\u0917\u093e<\/span>
\n(D)\u00a0\u0907\u0928\u092e\u0947\u0902 \u0938\u0947 \u0915\u094b\u0908 \u0928\u0939\u0940\u0902<\/span><\/span><\/span><\/p>\n

\u00a0<\/span><\/span><\/b><\/p>\n

79.\u00a0\u0924\u0928\u0941<\/span>\u00a0H2<\/sub>SO4<\/sub>\u00a0\u0915\u0947 \u0935\u0948\u0927\u0942\u0924\u094d \u0905\u092a\u0918\u091f\u0928 \u092e\u0947\u0902<\/span>,\u00a0\u0910\u0928\u094b\u0921 \u092a\u0930 \u0915\u094d\u092f\u093e \u092a\u094d\u0930\u093e\u092a\u094d\u0924 \u0939\u094b\u0924\u093e \u0939\u0948<\/span>\u00a0?<\/span><\/b><\/span><\/p>\n

(A) H2<\/sub>
\n(B) SO2-<\/sup>4<\/sub>
\n(C) SO2<\/sub>
\n(D) O2<\/sub><\/span>\u00a0\u2713<\/span><\/b><\/span><\/p>\n

\u00a0<\/span><\/span><\/b><\/p>\n

80. Na3<\/sub>SO4<\/sub>\u00a0\u0915\u093e \u0935\u093f\u0932\u092f\u0928 \u0915\u0941\u091b \u0905\u0915\u094d\u0930\u093f\u092f \u0907\u0932\u0947\u0915\u094d\u091f\u094d\u0930\u094b\u0921 \u0915\u0947 \u092a\u094d\u0930\u092f\u094b\u0917 \u0926\u094d\u0935\u093e\u0930\u093e \u0935\u0948\u0926\u094d\u092f\u0941\u0924\u094d \u0905\u092a\u0918\u091f\u093f\u0924 \u0939\u094b\u0924\u093e \u0939\u0948\u0964 \u0907\u0932\u0947\u0915\u094d\u091f\u094d\u0930\u094b\u0921 \u092a\u0930 \u092c\u0928\u0947 \u0909\u0924\u094d\u092a\u093e\u0926 \u0939\u0948\u0902<\/span><\/span><\/b><\/span><\/p>\n

(A) O2<\/sub>H2<\/sub><\/span>\u00a0\u2713<\/span><\/b>
\n(B) O2<\/sub>.Na
\n(C) O2<\/sub>.SO2<\/sub>
\n(D) O2<\/sub>S2<\/sub>O8<\/sub><\/span><\/span><\/p>\n

\u00a0<\/span><\/span><\/b><\/p>\n

81.\u00a0\u0938\u094d\u092e\u0917\u0932\u0930 \u0938\u094b\u0928\u0947 \u0915\u0940 \u091a\u094b\u0930\u0940 \u0938\u094b\u0928\u0947 \u0915\u0947 \u090a\u092a\u0930 \u0906\u092f\u0930\u0928 \u0915\u0940 \u092a\u0930\u094d\u0924 \u0932\u0917\u093e\u0915\u0930 \u0928\u0939\u0940\u0902 \u0915\u0930 \u0938\u0915\u0924\u0947 \u0915\u094d\u092f\u094b\u0902\u0915\u093f<\/span><\/span><\/b><\/span><\/p>\n

(A)\u00a0\u0938\u094b\u0928\u093e \u0905\u0927\u093f\u0915 \u0918\u0928\u0924\u094d\u0935 \u0935\u093e\u0932\u093e \u0939\u094b\u0924\u093e \u0939\u0948<\/span>
\n(B)\u00a0\u0906\u092f\u0930\u0928 \u092e\u0947\u0902 \u091c\u0902\u0917 \u0932\u0917\u0924\u0940 \u0939\u0948\u0964<\/span>
\n(C)\u00a0\u0938\u094b\u0928\u093e \u0906\u092f\u0930\u0928 \u0915\u0940 \u0924\u0941\u0932\u0928\u093e \u092e\u0947\u0902 \u091c\u094d\u092f\u093e\u0926\u093e \u0905\u092a\u091a\u092f\u0928 \u0935\u093f\u092d\u0935 \u0935\u093e\u0932\u093e \u0939\u094b\u0924\u093e \u0939\u0948<\/span>,<\/span>\u00a0\u2713<\/span><\/b>
\n(D)\u00a0\u0938\u094b\u0928\u093e \u0906\u092f\u0930\u0928 \u0915\u0940 \u0924\u0941\u0932\u0928\u093e \u092e\u0947\u0902 \u0915\u092e \u0905\u092a\u091a\u092f\u0928 \u0935\u093f\u092d\u0935 \u0935\u093e\u0932\u093e \u0939\u094b\u0924\u093e \u0939\u0948<\/span><\/span><\/span><\/p>\n

\u00a0<\/span><\/span><\/b><\/p>\n

82. Al+3<\/sup>\u0935\u093f\u0932\u092f\u0928 \u0938\u0947 (<\/span>AI\u00a0\u0915\u093e \u092a\u0930\u092e\u093e\u0923\u0941 \u092d\u093e\u0930 =<\/span>27.0 g)Al3+\u00a0\u0915\u0947<\/span>\u00a09\u00a0\u0917\u094d\u0930\u093e\u092e \u0915\u094b \u091c\u092e\u093e \u0915\u0930\u0928\u0947 \u092e\u0947\u0902 \u0906\u0935\u0936\u094d\u092f\u0915 \u0906\u0935\u0947\u0936 \u0939\u0948<\/span><\/span><\/b><\/span><\/p>\n

(A) 32166.3 C
\n(B) 96500.0 C<\/span>\u00a0\u2713<\/span><\/b>
\n(C) 9650.0 C
\n(D) 3216.33 C<\/span><\/span><\/p>\n

\u00a0<\/span><\/span><\/b><\/p>\n

83.\u00a0\u090f\u0932\u094d\u092f\u0942\u092e\u0940\u0928\u093f\u092f\u092e \u0915\u0947 \u091c\u0932\u0940\u092f \u0935\u093f\u0932\u092f\u0928 \u0938\u0947<\/span>\u00a09.65\u00a0\u0910\u092e\u094d\u092a\u093f\u092f\u0930 \u0927\u093e\u0930\u093e \u0917\u0941\u091c\u093e\u0930\u0928\u0947 \u092a\u0930 \u090f\u0932\u094d\u092f\u0941\u092e\u0940\u0928\u093f\u092f\u092e \u0915\u0947 \u090f\u0915 \u092e\u093f\u0932\u0940\u092e\u094b\u0932 \u0915\u094b \u091c\u092e\u093e \u0915\u0930\u0928\u0947 \u092e\u0947\u0902 \u0906\u0935\u0936\u094d\u092f\u0915 \u0938\u092e\u092f \u0939\u0948<\/span><\/span><\/b><\/span><\/p>\n

(A) 30S<\/span>\u00a0\u2713<\/span><\/b>
\n(B) 10S
\n(C) 30,000S
\n(D) 10,000S<\/span><\/span><\/p>\n

\u00a0<\/span><\/span><\/b><\/p>\n

84.\u00a0\u091c\u0932\u0940\u092f \u0935\u093f\u0932\u092f\u0928 \u092e\u0947\u0902 \u0915\u094d\u0937\u093e\u0930\u0940\u092f \u0927\u093e\u0924\u0941 \u0906\u092f\u0928\u094b\u0902 \u0915\u0940 \u0917\u092e\u0928\u0936\u0940\u0932\u0924\u093e \u0915\u093e \u0938\u0939\u0940 \u0915\u094d\u0930\u092e \u0939\u0948<\/span><\/span><\/b><\/span><\/p>\n

(A) K+<\/sup>> Rb+<\/sup>\u00a0> Na+<\/sup>> Li+<\/sup>
\n(B) Rb+<\/sup>\u00a0> K+<\/sup>\u00a0> Na+<\/sup>> Li+<\/sup><\/span>\u00a0\u2713<\/span><\/b>
\n(C) Li+<\/sup>\u00a0> Na+<\/sup>\u00a0> K+<\/sup>\u00a0> Rb+<\/sup>
\n(D) Na+<\/sup>> K+<\/sup>\u00a0> Na+<\/sup>\u00a0> Li+<\/sup><\/span><\/span><\/p>\n

\u00a0<\/span><\/span><\/b><\/p>\n

85. N\/10\u00a0\u0935\u093f\u0932\u092f\u0928 \u0915\u093e \u092a\u094d\u0930\u0924\u093f\u0930\u094b\u0927<\/span>\u00a02.5 x 103<\/sup>\u00a0\u0913\u092e \u092a\u094d\u0930\u093e\u092a\u094d\u0924 \u0939\u0941\u0906\u0964 \u0935\u093f\u0932\u092f\u0928 \u0915\u0940 \u0924\u0941\u0932\u094d\u092f\u093e\u0902\u0915\u0940 \u091a\u093e\u0932\u0915\u0924\u093e \u0939\u0948<\/span><\/span><\/b><\/span><\/p>\n

(A) 2.5\u00a0\u0913\u092e<\/span>-1<\/sup>\u00a0cm2<\/sup>\u00a0\u0924\u0941\u0932\u094d\u092f\u093e\u0902\u0915<\/span>-1<\/sup>
\n(B) 0.5\u00a0\u0913\u092e<\/span>-1<\/sup>\u00a0cm2<\/sup>\u00a0\u0924\u0941\u0932\u094d\u092f\u093e\u0902\u0915<\/span>-1<\/sup><\/span>\u00a0\u2713<\/span><\/b>
\n(C) 12.5\u00a0\u0913\u092e<\/span>-1<\/sup>\u00a0cm2<\/sup>\u00a0\u0924\u0941\u0932\u094d\u092f\u093e\u0902\u0915\u0928<\/span>-1<\/sup>
\n(D) 5.0\u00a0\u0913\u092e<\/span>-1<\/sup>\u00a0cm2<\/sup>\u00a0\u0924\u0941\u0932\u094d\u092f\u093e\u0902\u0915<\/span>-1<\/sup><\/span><\/span><\/p>\n

\u00a0<\/span><\/span><\/b><\/p>\n

86.\u00a0\u092a\u094d\u0930\u092c\u0932 \u0935\u0948\u0927\u0942\u0924\u094d \u0905\u092a\u0918\u091f\u094d\u092f \u0915\u0940 \u091a\u093e\u0932\u0915\u0924\u093e<\/span><\/span><\/b><\/span><\/p>\n

(A)\u00a0\u0924\u0928\u0941\u0924\u093e \u092a\u0930 \u0927\u0940\u0930\u0947 \u0938\u0947 \u092c\u0922\u093c\u0924\u0940 \u0939\u0948<\/span><\/span>\u00a0\u2713<\/span><\/b>
\n(B)\u00a0\u0924\u0928\u0941\u0924\u093e \u092a\u0930 \u0918\u091f\u0924\u0940 \u0939\u0948<\/span>
\n(C)\u00a0\u0924\u0928\u0941\u0924\u093e \u092a\u0930 \u092a\u0930\u093f\u0935\u0930\u094d\u0924\u0928 \u0928\u0939\u0940\u0902 \u0939\u094b\u0924\u093e \u0939\u0948<\/span>
\n(D)\u00a0\u0935\u093f\u0932\u092f\u0928 \u0915\u0947 \u0918\u0928\u0924\u094d\u0935 \u092a\u0930 \u0928\u093f\u0930\u094d\u092d\u0930 \u0915\u0930\u0924\u0940 \u0939\u0948<\/span><\/span><\/span><\/p>\n

\u00a0<\/span><\/span><\/b><\/p>\n

87. NaCl, KBr\u00a0\u0935<\/span>\u00a0KCl\u00a0\u0915\u0947 \u0932\u093f\u090f \u0938\u0940\u092e\u093f\u0924 \u092e\u094b\u0932\u0930 \u091a\u093e\u0932\u0915\u0924\u093e\u090f\u0902 \u0915\u094d\u0930\u092e\u0936\u0903<\/span>\u00a0126, 152\u00a0\u0935<\/span>\u00a0150 S cm2<\/sup>\u00a0mol-1<\/sup>\u00a0\u0939\u094b\u0924\u0940 \u0939\u0948\u0964<\/span>\u00a0NaBr\u00a0\u0915\u0947 \u0932\u093f\u090f<\/span>\u00a0<\/span><\/b>\u2227<\/span><\/b>\u00b0\u00a0\u0939\u0948\u0964<\/span><\/span><\/b><\/span><\/p>\n

(A) 278 S cm-1<\/sup>mol-1<\/sup>
\n(B) 175 S cm-2<\/sup>mol-1<\/sup>
\n(C) 128 S cm-2<\/sup>mol-1<\/sup><\/span>\u00a0\u2713<\/span><\/b>
\n(D) 302 S cm-2<\/sup>mol-1<\/sup><\/span><\/span><\/p>\n

\u00a0<\/span><\/span><\/b><\/p>\n

88.\u00a0\u0926\u093f\u092f\u093e \u0939\u0948<\/span>, l\/a = 0.5 cm-1, R=50 ohm, N = 1.0\u00a0\u0935\u0948\u0927\u0942\u0924\u094d \u0905\u092a\u0918\u091f\u0928\u0940 \u0938\u0947\u0932 \u0915\u0940 \u0924\u0941\u0932\u094d\u092f\u093e\u0902\u0915 \u091a\u093e\u0932\u0915\u0924\u093e \u0939\u0948<\/span><\/span><\/b><\/span><\/p>\n

(A) 100 hm-1<\/sup>\u00a0cm2<\/sup>\u00a0(\u0917\u094d\u0930\u093e\u092e \u0924\u0941\u0966<\/span>-1<\/sup>)<\/span>\u00a0\u2713<\/span><\/b>
\n(B) 20 ohm-1<\/sup>\u00a0cm2<\/sub>\u00a0(\u0917\u094d\u0930\u093e\u092e \u0924\u0941\u0966<\/span>-1<\/sup>)
\n(C) 300 hm-1<\/sup>\u00a0cm2<\/sub>\u00a0(\u0917\u094d\u0930\u093e\u092e \u0924\u0941\u0966<\/span>-1<\/sup>)
\n(D) 100 ohm-1<\/sup>\u00a0cm2<\/sub>\u00a0(\u0917\u094d\u0930\u093e\u092e \u0924\u0941\u0966<\/span>-1<\/sup>)<\/span><\/span><\/p>\n

\u00a0<\/span><\/span><\/b><\/p>\n

89.\u00a0\u0928\u093f\u092e\u094d\u0928 \u0935\u093f\u0932\u092f\u0928\u094b\u0902 \u092e\u0947\u0902 \u0938\u0947 \u0915\u093f\u0938\u0915\u0940 \u0938\u092c\u0938\u0947 \u0909\u091a\u094d\u091a \u0935\u0948\u0927\u0942\u0924\u094d \u091a\u093e\u0932\u0915\u0924\u093e \u0939\u0948<\/span>\u00a0?<\/span><\/b><\/span><\/p>\n

(A) 0.1 M\u00a0\u090f\u0938\u0940\u091f\u093f\u0915 \u0905\u092e\u094d\u0932\u0930<\/span>
\n(B) 0.1 M\u00a0\u0915\u094d\u0932\u094b\u0930\u094b \u090f\u0938\u0940\u091f\u093f\u0915 \u0905\u092e\u094d\u0932<\/span>
\n(C) 0.1 M\u00a0\u092b\u094d\u0932\u094b\u0930\u094b\u0902 \u090f\u0938\u0940\u091f\u093f\u0915 \u0905\u092e\u094d\u0932<\/span>
\n(D) 0.1 M\u00a0\u0921\u093e\u0907 \u092b\u094d\u0932\u094b\u0930\u094b \u090f\u0938\u0940\u091f\u093f\u0915 \u0905\u092e\u094d\u0932<\/span><\/span>\u00a0\u2713<\/span><\/b><\/span><\/p>\n

\u00a0<\/span><\/span><\/b><\/p>\n

90.\u00a0\u0915\u094c\u0928 \u092a\u0926\u093e\u0930\u094d\u0925 \u0928\u093f\u092e\u094d\u0928 \u0905\u092d\u093f\u0915\u094d\u0930\u093f\u092f\u093e \u092e\u0947\u0902 \u0905\u092a\u091a\u093e\u092f\u0915 \u0915\u0940 \u0924\u0930\u0939 \u0915\u093e\u0930\u094d\u092f \u0915\u0930\u0924\u093e \u0939\u0948<\/span>\u00a0?<\/span><\/b><\/span><\/p>\n

H+ + Cr2<\/sub>O2+<\/sup>7<\/sub>+3Ni\u00a0<\/span>\u2192<\/span>\u00a02Cr3+<\/sup>\u00a0+ 7H2<\/sub>O +3Ni2+<\/sup><\/span><\/span><\/p>\n

(A) H2<\/sub>0
\n(B) Ni<\/span>\u00a0\u2713<\/span><\/b>
\n(C) H+<\/sup>
\n(D) Cr2<\/sub>O2+<\/sup>7<\/sub><\/span><\/span><\/p>\n

\u00a0<\/span><\/span><\/b><\/p>\n

91.\u00a0\u0938\u0947\u0932 \u0905\u092d\u093f\u0915\u094d\u0930\u093f\u092f\u093e \u0938\u094d\u0935\u0924\u0903 \u0939\u094b\u0924\u0940 \u0939\u0948 \u091c\u092c<\/span><\/span><\/b><\/span><\/p>\n

(A) E\u0966\u0938\u0947\u0932<\/sub><\/span>\u00a0<\/sub>\u00a0\u0927\u0928\u093e\u0924\u094d\u092e\u0915 \u0939\u0948<\/span>
\n(B) AG\u00a0\u090b\u0923\u093e\u0924\u094d\u092e\u0915 \u0939\u0948<\/span><\/span>\u00a0\u2713<\/span><\/b>
\n(C) AG\u00a0\u0927\u0928\u093e\u0924\u094d\u092e\u0915 \u0939\u0948<\/span>
\n(D) E\u0966\u0938\u0947\u0932<\/sub><\/span>\u00a0<\/sub>\u090b\u0923\u093e\u0924\u094d\u092e\u0915 \u0939\u0948<\/span><\/span><\/span><\/p>\n

\u00a0<\/span><\/span><\/b><\/p>\n

92.\u00a0\u0908\u0902\u0927\u0928 \u0938\u0947\u0932 \u092e\u0947\u0902 \u0928\u093f\u092e\u094d\u0928 \u092e\u0947\u0902 \u0938\u0947 \u0915\u094c\u0928-\u0938\u0940 \u0905\u092d\u093f\u0915\u094d\u0930\u093f\u092f\u093e\u090f\u0901 \u092a\u094d\u0930\u092f\u0941\u0915\u094d\u0924 \u0939\u094b\u0924\u0940 \u0939\u0948<\/span>?<\/span><\/b><\/span><\/p>\n

(A) Cd(s) + 2Ni(OH)3<\/sub>(s)\u00a0<\/span>\u2192<\/span>\u00a0CdO(s) + 2Ni(OH)2<\/sub>(s) + H2<\/sub>O
\n(B) Pb(s) + PbO2<\/sub>(s) + 2H2<\/sub>SO4<\/sub>(aq.)\u00a0<\/span>\u2192<\/span>\u00a02PbSO4<\/sub>(s) + 2H2<\/sub>O
\n(C) 2H2<\/sub>(g) + O2<\/sub>(g)O\u00a0<\/span>\u2192<\/span>\u00a02H2<\/sub>O(\u00a1<\/i>)<\/span>\u2713<\/span><\/b>
\n(D) 2Fe(s) + O2<\/sub>(g) + 4H(aq.)\u00a0<\/span>\u2192<\/span>\u00a02Fe2+<\/sup>(aq.) + 2H2<\/sub>O<\/span><\/span><\/p>\n

\u00a0<\/span><\/span><\/b><\/p>\n

93.\u00a0\u0905\u0917\u0930<\/span>\u00a0E\u0966<\/span>\u00a0Fe3+<\/sup>\/Fe = -0.441 V\u00a0\u0935<\/span>\u00a0E\u00b0 Fe2+<\/sup>\/Fe= 0.771 v\u00a0\u0939\u094b \u0924\u092c<\/span>\u00a0Fe+ 2Fe3+<\/sup>\u00a0<\/span><\/b>\u2192<\/span><\/b>\u00a03Fe2+<\/sup>\u00a0+\u00a0\u0905\u092d\u093f\u0915\u094d\u0930\u093f\u092f\u093e \u0915\u093e \u092e\u093e\u0928\u0915<\/span>\u00a0EMF\u00a0\u0939\u094b\u0917\u093e\u0964<\/span><\/span><\/b><\/span><\/p>\n

(A) 1.653 v
\n(B) 1.212 v<\/span>\u00a0\u2713<\/span><\/b>
\n(C) 0.111 V
\n(D) 0.330 v<\/span><\/span><\/p>\n

\u00a0<\/span><\/span><\/b><\/p>\n

94. Zn(s)\u00a0<\/span><\/b>\u2192<\/span><\/b>\u00a0Zn2+<\/sup>(aq.) +2e-E\u00b0 = +0.76 v Ag(s)\u00a0<\/span><\/b>\u2192<\/span><\/b>\u00a0Ag+<\/sup>\u00a0(aq.)+ e\u2013\u00a0<\/sup>E\u00b0 =-0.80 v\u00a0\u0928\u093f\u092e\u094d\u0928 \u092e\u0947\u0902 \u0938\u0947 \u0915\u094c\u0928-\u0938\u0940 \u0905\u092d\u093f\u0915\u094d\u0930\u093f\u092f\u093e \u092a\u094d\u0930\u093e\u0930\u0902\u092d \u092e\u0947\u0902 \u0939\u094b\u0917\u0940<\/span>\u00a0?<\/span><\/b><\/span><\/p>\n

(A) Zn2+<\/sup>\u00a0(aq.) + Ag+<\/sup>(aq.)\u00a0<\/span>\u2192<\/span>\u00a0Zn(s) + Ag(s)
\n(B) Zn(s) + 2Ag+ (s)\u00a0<\/span>\u2192<\/span>\u00a02Zn2+<\/sup>\u00a0(aq.) + Ag+<\/sup>(aq.)
\n(C) Zn(g) + 2Ag+<\/sup>(aq.)\u00a0<\/span>\u2192<\/span>\u00a0Zn2+<\/sup>\u00a0(aq.)+2Ag(s)<\/span>\u00a0\u2713<\/span><\/b>
\n(D) Zn2+<\/sup>(aq.) + 2Ag(s)\u00a0<\/span>\u2192<\/span>\u00a02Ag+<\/sup>(aq.) + Zn(s)<\/span><\/span><\/p>\n

\u00a0<\/span><\/span><\/b><\/p>\n

95.\u00a0\u0928\u093f\u092e\u094d\u0928 \u0905\u092d\u093f\u0915\u094d\u0930\u093f\u092f\u093e \u0926\u0947\u0916\u093f\u090f<\/span>\u00a0Zn + Cu2+<\/sup>\u00a0<\/span><\/b>\u2192<\/span><\/b>\u00a0Zn2+<\/sup>+Cu\u00a0\u0909\u092a\u0930\u094d\u092f\u0941\u0915\u094d\u0924 \u0928\u093f\u0937\u094d\u0915\u0930\u094d\u0937 \u0915\u0947 \u0906\u0927\u093e\u0930 \u092a\u0930 \u0915\u094c\u0928-\u0938\u093e \u0924\u0925\u094d\u092f \u0938\u0939\u0940 \u0939\u0948<\/span>\u00a0?<\/span><\/b><\/span><\/p>\n

(A) Zn, Zn2+<\/sup>\u00a0\u0906\u092f\u0928\u094b\u0902 \u092e\u0947\u0902 \u0905\u092a\u091a\u092f\u093f\u0924 \u0939\u094b \u091c\u093e\u0924\u093e \u0939\u0948<\/span>
\n(B) Zn, Zn2+<\/sup>\u00a0\u0906\u092f\u0928\u094b\u0902 \u092e\u0947\u0902 \u0911\u0915\u094d\u0938\u0940\u0915\u0943\u0924 \u0939\u094b\u0924\u093e \u0939\u0948<\/span><\/span>\u00a0\u2713<\/span><\/b>
\n(C) Zn2+<\/sup>\u00a0\u0906\u092f\u0928\u094b\u0902<\/span>\u00a0Zn\u00a0\u092e\u0947\u0902 \u0911\u0915\u094d\u0938\u0940\u0915\u0943\u0924 \u0939\u094b \u091c\u093e\u0924\u0940 \u0939\u0948<\/span>
\n(D) Cu2+<\/sup>\u00a0\u0906\u092f\u0928<\/span>\u00a0Cu\u00a0\u092e\u0947\u0902 \u0911\u0915\u094d\u0938\u0940\u0915\u0943\u0924 \u0939\u094b \u091c\u093e\u0924\u0940 \u0939\u0948<\/span><\/span><\/span><\/p>\n

\u00a0<\/span><\/span><\/b><\/p>\n

96. A,B\u00a0\u0935<\/span>\u00a0C\u00a0\u0915\u0947 \u092e\u093e\u0928\u0915 \u0907\u0932\u0947\u0915\u094d\u091f\u094d\u0930\u094b\u0921 (\u0905\u092a\u091a\u092f\u0928) \u0935\u093f\u092d\u0935 \u0915\u094d\u0930\u092e\u0936\u0903 +<\/span>0.68,-2.50\u00a0\u0935 –<\/span>0.50 v\u00a0\u0939\u094b\u0924\u0940 \u0939\u0948\u0964 \u0909\u0928\u0915\u0940 \u0905\u092a\u091a\u092f\u0928 \u0936\u0915\u094d\u0924\u093f \u0915\u0947 \u0938\u0939\u0940 \u0915\u094d\u0930\u092e \u0939\u0948\u0964<\/span><\/span><\/b><\/span><\/p>\n

(A) A > B > C
\n(B) A > C > B
\n(C) C > B > A
\n(D) B > C > A<\/span>\u00a0\u2713<\/span><\/b><\/span><\/p>\n

\u00a0<\/span><\/span><\/b><\/p>\n

97. A,B,C\u00a0\u0914\u0930<\/span>\u00a0D\u00a0\u0927\u093e\u0924\u0941\u0913\u0902 \u0915\u0947 \u092e\u093e\u0928\u0915 \u0907\u0932\u0947\u0915\u094d\u091f\u094d\u0930\u094b\u0921 \u0915\u094d\u0930\u092e\u0936:-<\/span>3.05,-1.66,-0.40\u00a0\u0914\u0930 +<\/span>0.8\u00a0\u092c\u094b\u0932\u094d\u091f \u0939\u0948\u0964 \u0907\u0928\u092e\u0947\u0902 \u0915\u093f\u0938 \u0927\u093e\u0924\u0941 \u0915\u0940 \u0905\u092a\u0915\u0930\u0923 \u0915\u094d\u0937\u092e\u0924\u093e \u0938\u092c\u0938\u0947 \u0905\u0927\u093f\u0915 \u0939\u094b\u0917\u0940<\/span>\u00a0?<\/span><\/b><\/span><\/p>\n

(A) A<\/span>\u00a0\u2713<\/span><\/b>
\n(B) B
\n(C) C
\n(D) D<\/span><\/span><\/p>\n

\u00a0<\/span><\/p>\n

98<\/span><\/b>.\u00a0\u0928\u093f\u092e\u094d\u0928 \u092e\u0947\u0902 \u0915\u094c\u0928 \u0932\u0948\u0928\u094d\u0925\u0947\u0928\u0949\u092f\u0921 \u0905\u0928\u0941\u091a\u0941\u092e\u094d\u092c\u0915\u0940\u092f \u0939\u0948<\/span>\u00a0?<\/span><\/b><\/span><\/p>\n

(A) Ce4+<\/sup>
\n(B) Yb2+<\/sup>
\n(C) Eu2+<\/sup><\/span>\u00a0\u2713<\/span><\/b>
\n(D) Lu2+<\/sup><\/span><\/span><\/p>\n

\u00a0<\/span><\/span><\/b><\/p>\n

99.\u00a0\u0928\u093f\u092e\u094d\u0928\u0932\u093f\u0916\u093f\u0924 \u092e\u0947\u0902 \u0938\u0947 \u0915\u094c\u0928-\u0938\u0940 \u092a\u094d\u0930\u0924\u093f\u0915\u094d\u0930\u093f\u092f\u093e \u0938\u092e\u094d\u092d\u0935 \u0928\u0939\u0940\u0902 \u0939\u0948\u0964 \u0915\u093e\u0930\u0915<\/span>\u00a07.<\/span><\/b><\/span><\/p>\n

(A) Cu + 2AgNO3<\/sub>\u00a0<\/span>\u2192<\/span>\u00a0Cu(NO3<\/sub>)2<\/sub>\u00a0+ 2Ag
\n(B) CaO + H2<\/sub>\u00a0+ Ca + H2<\/sub>O<\/span>\u00a0\u2713<\/span><\/b>
\n(C) Cu0+ H2<\/sub>\u00a0<\/span>\u2192<\/span>Cu+H2<\/sub>O
\n(D) Fe+H2<\/sub>SO4<\/sub>\u00a0<\/span>\u2192<\/span>\u00a0FeSO4<\/sub>\u00a0+H2<\/sub>0<\/span><\/span><\/p>\n

\u00a0<\/span><\/span><\/b><\/p>\n

100.\u00a0\u0935\u093f\u0927\u0941\u0924 \u0930\u093e\u0938\u093e\u092f\u0928\u093f\u0915 \u0936\u094d\u0930\u0947\u0923\u0940 \u0915\u0947 \u0906\u0927\u093e\u0930 \u092a\u0930 \u0924\u0928\u0941 \u0905\u092e\u094d\u0932\u094b\u0902 \u0938\u0947 \u092a\u094d\u0930\u0924\u093f\u0915\u094d\u0930\u093f\u092f\u093e \u0915\u0930 \u0939\u093e\u0907\u0921\u094d\u0930\u094b\u091c\u0928 \u0928\u0939\u0940\u0902 \u092a\u094d\u0930\u0926\u093e\u0928 \u0915\u0930\u0928\u0947 \u0935\u093e\u0932\u0940 \u0927\u093e\u0924\u0941\u090f\u0901 \u0939\u0948\u0902<\/span><\/span><\/b><\/span><\/p>\n

(A) Ca, Sr, Ba
\n(B) Cu, Ag, Au<\/span>\u00a0\u2713<\/span><\/b>
\n(C) Zn, Fe, Pb
\n(D) Na, Zn, AI, Cu<\/span><\/span><\/p>\n","protected":false},"excerpt":{"rendered":"

1.\u00a0\u0928\u093f\u092e\u094d\u0928\u0932\u093f\u0916\u093f\u0924 \u092e\u0947\u0902 \u0938\u0947 \u0915\u094c\u0928 \u0926\u094d\u0935\u093f\u0924\u0940\u092f\u0915 (secondary)\u00a0\u0938\u0947\u0932 \u0939\u0948\u0902\u0964 (A)\u00a0\u0932\u0947\u0915\u0932\u0949\u091a \u0938\u0947\u0932 (B)\u00a0\u0932\u0947\u0921 \u0938\u094d\u091f\u094b\u0930\u0947\u091c \u092c\u0948\u091f\u0930\u0940\u00a0\u2713 (C)\u00a0\u0938\u093e\u0928\u094d\u0926\u094d\u0930\u0923 \u0938\u0947\u0932 (D)\u00a0\u0907\u0928\u092e\u0947\u0902 \u0938\u0947 \u0915\u094b\u0908 \u0928\u0939\u0940\u0902 \u00a0 2.\u00a0\u0926\u094d\u0930\u0935\u093f\u0924<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[63],"tags":[],"class_list":["post-582","post","type-post","status-publish","format-standard","hentry","category-chemistry-objective"],"_links":{"self":[{"href":"https:\/\/class12.studyguruji.in\/index.php?rest_route=\/wp\/v2\/posts\/582","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/class12.studyguruji.in\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/class12.studyguruji.in\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/class12.studyguruji.in\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/class12.studyguruji.in\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=582"}],"version-history":[{"count":3,"href":"https:\/\/class12.studyguruji.in\/index.php?rest_route=\/wp\/v2\/posts\/582\/revisions"}],"predecessor-version":[{"id":1728,"href":"https:\/\/class12.studyguruji.in\/index.php?rest_route=\/wp\/v2\/posts\/582\/revisions\/1728"}],"wp:attachment":[{"href":"https:\/\/class12.studyguruji.in\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=582"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/class12.studyguruji.in\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=582"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/class12.studyguruji.in\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=582"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}