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

  • question_answer
    The substance which is mixed with the ore for removal of impurities is termed as [MP PMT 1985, 87, 90; CPMT 1996; JIPMER 2002]

    A) Slag

    B) Gangue

    C) Flux

    D) Catalyst

    Correct Answer: C

    Solution :

    Flux is added during smelting it combines with infusible gangue present in the ore to form a fusible mass known as slag. \[\text{Flux}+\text{Gangue}\to \text{Slag}\]


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