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There are following extraction process o...

There are following extraction process of silver but not:

A

as a 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

Verified by Experts

The correct Answer is:
D
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VK JAISWAL-METALLURGY-Level 2
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  3. There are following extraction process of silver but not:

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  7. The electrolysis of pure alumina is not feasible because :

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  9. What products are formed during the electrolysis of a of a concentrat...

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  10. During the electrolysis of carnallite, MgCl(2) is decomposed and not K...

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  11. The reduction of an oxide by aluminium is called

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  12. Incorrect statement in electrolysis of Al(2)O(3) by Hall-Heroult proce...

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  13. In the leaching of Ag(2)S with NaCN, a stream air is also passed. It i...

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  14. In van Arkel method, if I(2) is introduced at 1700 K over impure metal...

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  15. The method of zone refining of metals is based on the principle of :

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  16. Blister copper is refined by stirring moltem impure metal with green l...

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  17. The anode mud in the electrolytic refining of silver contains :

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  18. The method of electrolytic refining is not suitable in the extraction ...

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  19. Match Column-I with Column-II

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  20. Softening of lead means:

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