Question

Match the column I with column II and mark the appropriate choice.

Column I		Column II
(A)	Metals used as semiconductors	(i)	Aluminium
(B)	Electrolytic reduction	(ii)	Zone refining
(C)	Cyanide process	(iii)	Dressing of ZnS
(D)	Froth floatation process	(iv)	Extraction of Ag

• A. (A)(i), (B)(iii), (C)(ii), (D)(iv)
• B. (A)(iii), (B)(iv), (C)(ii), (D)(i)
• C. (A)(iv), (B)(ii), (C)(iii), (D)(i)
• D. (A)(ii), (B)(i), (C)(iv), (D)(iii)

Answer 1

Answer: (D)

(A)(ii), (B)(i), (C)(iv), (D)(iii)