JEE Main & Advanced Sample Paper JEE Main Sample Paper-4

  • question_answer
    The chemical process in the production of steel from hematite ore involve

    A)  reduction           

    B)  oxidation

    C)  reduction followed by oxidation

    D)  oxidation followed by reduction

    Correct Answer: A

    Solution :

    Haematite ore contain \[F{{e}_{2}}{{O}_{3}}\] which is reduced by CO in the blast furnace as \[F{{e}_{2}}{{O}_{3}}+CO\to Fe+C{{O}_{2}}\]

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