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Railways R.R.C. (Gorakhpur) Solved Paper Held on 1st Shift 9-11-2014

  • question_answer
    The main mineral constituents of the continental mass are?

    A) Silica and Alumina

    B) Silica and magnesium

    C) Nickel and magnesium

    D) Carbon and Hydrogen

    Correct Answer: A

    Solution :

    Continental land mass consists SIAL (Silica and Aluminium).


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