The $C u_{2} O$ impurity present in blister copper is removed by:

liquation

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distillation

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poling

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zone refining

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Solution

The correct option is C poling
Blister copper is refined by poling process where it removes impurity in form of $S O_{2}$ and $A s_{2} O_{3}$ .

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Similar questions

Copper is purified by electrolytic refining of blister copper. The incorrect statement about this process is:

C H_{4}

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