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NEET Chemistry Metallurgy / धातुकर्म Question Bank Self Evaluation Test - General Principals and Process of Isolation of Elements

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

    A)
    Cathode Anode
    Pure zinc Pure copper

    B)
    Cathode Anode
    Impure sample Pure copper

    C)
    Cathode Anode
    Impure sample Impure sample

    D)
    Cathode Anode
    Pure copper Impure sample

    Correct Answer: D

    Solution :

    [d] Pure metal always deposits at cathode.


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