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NEET Sample Paper NEET Sample Test Paper-71

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

    A) Pure zinc            Pure copper

    B) Impure sample                Pure copper

    C) Impure zinc        Impure sample

    D) Pure copper        Impure sample

    Correct Answer: D

    Solution :

    Impure metal made anode while pure metal made cathode.


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