Which is correct process-mineral group i...

Which is correct process-mineral group in metallurgical extraction ?

A

leaching:silver

B

Zone-refining:lead

C

Liquation:tin

D

Van Arkel:Zr

Verified by Experts

The correct Answer is:

B

Lead is purified by Electro refining, Zone refining is used for the purification of Si and Ge
Therefore, (b) option is correct

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