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CMC Medical CMC-Medical VELLORE Solved Paper-2012

  • question_answer
    In blast furnace, iron oxide is reduced to iron by

    A)  carbon                

    B)  limestone

    C)  CO                                        

    D)  zinc

    Correct Answer: C

    Solution :

                    In blast furnace, iron oxide is reduced to iron by carhop, monoxide. \[3F{{e}_{2}}{{O}_{3}}+CO\xrightarrow{{}}2F{{e}_{3}}{{O}_{4}}+C{{O}_{2}}\] \[FeO+CO\xrightarrow{{}}Fe+C{{O}_{2}}\]


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