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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.
`Ag` can be obtained form purified `Zn-Ag` alloy by

A

Distillation

B

Poling

C

Liquation

D

Reduction

Text Solution

Verified by Experts

The correct Answer is:
A
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