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

  • question_answer
    Which of the oxide groups among the following cannot be reduced by carbon?

    A) \[C{{u}_{2}}O,Sn{{O}_{2}}\]             

    B) \[CaO,{{K}_{2}}O\]

    C) \[PbO,F{{e}_{2}}{{O}_{4}}\]              

    D) \[F{{e}_{2}}{{O}_{3}},ZnO\]

    Correct Answer: B

    Solution :

    [b] Ca and K are strong reducing agents, hence their oxides cannot be reduced with carbon.


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