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There are following extraction process o...

There are following extraction process of silver but not:

A

as s side product in electrolytic refining of copper

B

Parke's process in which Zn is used to extract silver by solvent extraction from molten lead

C

by reaction of silver sulphide with KCN and then reaction of soluble complex with Zn

D

by heating `Na[Ag(CN)_(2)]`

Text Solution

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The correct Answer is:
d
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