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

  • question_answer
    When lime stone is heated strongly, it gives off \[C{{O}_{2}}\]. In metallurgy this process is known as [MP PET/PMT 1988]

    A) Calcination

    B) Roasting

    C) Smelting

    D) Ore dressing

    Correct Answer: A

    Solution :

    \[CaC{{O}_{3}}\to CaO+C{{O}_{2}}\] Heating the ore in absence of air is calcination.


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