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Question

In electrolytic refining, which one is the anode and which is cathode?

A
Pure metal is the anode and impure metal is cathode
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B
Impure metal is made anode and pure metal cathode
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C
Both can be done interchangeably
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D
None of the above
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Solution

The correct option is B Impure metal is made anode and pure metal cathode
In electrolytic refining, impure metal is made the anode and a thin strip of pure metal is made the cathode.

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