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  1. During smelting process, the combination of fuel in the furnace

    2. A.

     Forms carbon dioxide
    B.

     Carbon dioxide with carbon forms carbon mono-oxide
    C.

     Carbon mono-oxide reacts with Fe2O3 to form iron and liberates CO2
    D.

     All the above

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    Workspace

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    Answer : Option D

    Explanation :

    Explanation Not Provided

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