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AFMC AFMC Solved Paper-2003

  • question_answer
    The metal which cannot be extracted by smelting process :

    A) Zn                                          

    B) Al

    C) Pb                                          

    D) Fe

    Correct Answer: B

    Solution :

    Smelting is the process of reduction of a metal oxide to metal with C. Aluminium being highly electropositive cannot be obtained by the reduction of it with C, but is obtained by electrolytic reduction by cathode.


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