Chemistry

Q 9. The reaction between methane and chlorine in diffused sunlight is A) substitution B)oxidation C)reduction D)polymerisation Answer : Option A Explanation: No answer description available for this question. Q 10. The number of d-electrons in Fe2+ (Z = 26) is not equal to that of A)p-electrons in Ne(Z = 10) B)p-electrons in CI(Z = 17) C)s-electrons in Mg(Z = 12) D)d-electrons in Fe(Z = 26) Answer : Option B Explanation: No answer description available for this question. Q 11. What among following is used to produce artificial rain ? A)silver iodide B)carbon monoxide C)copper oxide D)silver nitrate Answer : Option A Explanation: No answer description available for this question. Q 12. The alloy of aluminium used for making magnet is A)aluminium bronze B) Y–alloy C)alnico D)duralumin Answer : Option C Explanation: No answer description available for this question.

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