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Discussion :: Chemical Process

  1. Portland cement consists mainly of

    2. A.

     CaO & SiO₂
    B.

     SiO₂ & Al2O₃
    C.

     CaO & Al2O₃
    D.

     CaO & FE₂O₃

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    Answer : Option A

    Explanation :

    Explanation Not Provided

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