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Question
Match items of Column I with the items of Column II and assign the correct code.
| 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 |
| (D) | Zone refining | (iv) | Extraction of Au |
| (v) | Purification of Ni |
Options
(A) (B) (C) (D) (iv) (ii) (iii) (i) (A) (B) (C) (D) (ii) (iii) (i) (v) (A) (B) (C) (D) (i) (ii) (iii) (iv) (A) (B) (C) (D) (iii) (iv) (v) (i)
MCQ
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Solution
| (A) | (B) | (C) | (D) |
| (iv) | (ii) | (iii) | (i) |
Explanation:
| Column I | Column II | ||
| (A) | Cyanide process | (iv) | Extraction of Au |
| (B) | Froth floatation process | (ii) | Dressing of ZnS |
| (C) | Electrolytic reduction | (iii) | Extraction of Al |
| (D) | Zone refining | (i) | Ultrapure Ge |
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