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

  • question_answer
    A substance which reacts with gangue to form fusible material is called [MP PMT 1990; Kurukshetra CEE 1998]

    A) Flux

    B) Catalyst

    C) Ore

    D) Slag

    Correct Answer: A

    Solution :

    (Impurity) \[\underset{\text{Infusible}}{\mathop{\text{Gangue }}}\,+\text{flux}\to \underset{\text{Fusible}}{\mathop{\text{Slag}}}\,\]


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