Column - I | Column - II | ||
(A) | Cyanide process | (I) | Ultrapure Ge |
(B) | Froth floatation process | (II) | Dressing of ZnS |
(C) | Electrolytic reduction | (III) | Extraction of Al |
(A) | Zone refining | (iv) | Extraction of Au |
(v) | Purification of Ni |
A) (A)-(iv) (B)-(ii) (C)-(iii) (D)-(i)
B) (A)-(ii) (B)-(iii) (C)-(i) (D)-(v)
C) (A)-(i) (B)-(ii) (C)-(iii) (D)-(iv)
D) (A)-(iii) (B)-(iv) (C)-(v) (D)-(i)
Correct Answer: A
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