Identify the appropriate electrodes for the electrolytic refining of a copper sample containing zinc as an impurity.

  • A
    Cathode - Pure $Zn$,Anode - Pure $Cu$
  • B
    Cathode - Impure $Cu$ sample,Anode - Pure $Cu$
  • C
    Cathode - Impure $Zn$,Anode - Impure $Cu$ sample
  • D
    Cathode - Pure $Cu$,Anode - Impure $Cu$ sample

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