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Question

Volatile metals like Zn,Cd and Hg are purified by :

A
liquation
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B
distillation
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C
cupellation
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D
electrolysis
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Solution

The correct option is B distillation
Volatile metals like Hg,Zn and Cd are easily purified by distillation as they have low boiling points. The impure metal is heated in a retort and vapours of volatile metals are collected and condensed in a receiver leaving behind non volatile impurities in retort.

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