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      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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