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Q.

Purification or refining of metal is the final step of a metallurgical process. Nickel is purified by

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a

Hoopes process

b

Mond process

c

Hall-Heroult process

d

Van Arkel process

answer is B.

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Detailed Solution

Mond process ;Niimpure+4CO→330 K-350 KNiCO4→450 K- 470 KNipure+4CO ;
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Purification or refining of metal is the final step of a metallurgical process. Nickel is purified by