When the sample of copper with zinc impurityn is to be purified by electrolysis, the appropriate electrode are .A. pure zinc as cathode and pure copper as anodeB. impure sample as cathode and pure copper as anodeC. impure zinc as cathode and impure sample as anodeD. pure copper as cathode and impure sample as anode.

When the sample of copper with zinc impurityn is to be purified by ele

1.	When the sample of copper with zinc impurityn is to be purified by electrolysis, the appropriate electrode are .A. pure zinc as cathode and pure copper as anodeB. impure sample as cathode and pure copper as anodeC. impure zinc as cathode and impure sample as anodeD. pure copper as cathode and impure sample as anode.
Answer» Correct Answer - D

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