List of practice Questions

In the cyanide extraction process of silver, the oxidising and reducing agents used are:

Match List I with List II

List-I		List-II
(A)	Van Arkel Method	(I)	Copper
(B)	Zone Refining	(II)	Titanium
(C)	Mond Process	(III)	Germanism
(D)	Electrolytic Refining	(IV)	Nickel

Choose the correct answer from the options given below:

Match List I with List II

List-I Ore		List-II Composition
(A)	Calamine	(I)	CuFeS2
(B)	Siderite	(II)	ZnCO3
(C)	Sphalerite	(III)	ZnS
(D)	Copper pyrite	(IV)	FeCO3

Choose the correct answer from the options given below: