JEE Main & Advanced Chemistry Metallurgy / धातुकर्म Question Bank Reduction to free Metal

  • question_answer
    The substance used in the thermite process of reducing metal ores is [MP PET 1993; CPMT 2000, 01]

    A) Aluminium

    B) Thorium

    C) Heated Pt gauge

    D) Carbon

    Correct Answer: A

    Solution :

    A mixture of Al powder and metallic oxide \[(C{{r}_{2}}{{O}_{3}},\,M{{n}_{3}}{{O}_{4}}\,\text{etc)}\] is called thermite.


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