Question

Match items in column -1 with the items of column – II and assign the correct code:

Column - I	Column - II
A  Cyanide process	(i) Ultrapure Ge
B  Froth Flotation process	(ii) Dressing of ZnS
C  Electrolytic reduction	(iii) Extraction of Al
D Zone refining	(iv) Extraction of Au

	A	B	C	D
(a)	(i)	(ii)	(iii)	(iv)
(b)	(iii)	(iv)	(ii)	(i)
(c)	(iv)	(ii)	(iii)	(i)
(d)	(ii)	(iii)	(i)	(iv)

Answer 1

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