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JEE Main & Advanced Chemistry The s-Block Elements / s-ब्लॉक के तत्व Question Bank Alkaline Earth Metals

  • question_answer
    A major constituent of portland cement except lime is [CPMT 1982]

    A) Silica

    B) Alumina

    C) Iron oxide

    D) Magnesia

    Correct Answer: A

    Solution :

    Not Available


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