Question

    _______ metal is extracted by electrolysis

    only.
    A Zn Correct Answer Incorrect Answer
    B Al Correct Answer Incorrect Answer
    C Fe Correct Answer Incorrect Answer
    D Cu Correct Answer Incorrect Answer

    Solution

      Al metal  is extracted by electrolysis only. Aluminium is extracted by the electrolysis of alumina mixed with molten cryolite.

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