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JEE Main & Advanced Chemistry Metallurgy / धातुकर्म Question Bank Roasting and Calcination

  • question_answer
    The important step in the extraction of metal from carbonate ore is

    A) Calcination

    B) Roasting

    C) Electro-reduction

    D) Cupellation

    Correct Answer: A

    Solution :

    Calcination \[ZnC{{O}_{3}}\to ZnO+C{{O}_{2}}\]


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