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Lead obtained form galena (PbS) by air r...

Lead obtained form galena `(PbS)` by air reduction or carbon reduction process contains base metal `(Cu, Bi, Sn, As)` as impurities, due to the which lead becomes hard and brittle.
Cupellation is used for purification of

A

`Pb`

B

`Ag`

C

`Zn`

D

`Fe`

Text Solution

Verified by Experts

The correct Answer is:
B
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