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When the sample of copper with the zinc ...

When the sample of copper with the zinc impurity is to be purified by electrolysis, the appropriate electrodes are

A

pure zinc as cathode and pure copper as anode

B

impure sample as cathode and pure copper as anode

C

Impure zinc as cathode and impure sample as anode

D

pure copper as cathode and impure sample as anode.

Text Solution

Verified by Experts

The correct Answer is:
D
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