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Railways Sample Paper RRB (Assistant Loco Pilot) Sample Test Paper-1

  • question_answer
    The metallic constituents of hard water are

    A)  Magnesium, Calcium and tin

    B)         Iron, tin and calcium

    C)         Calcium, magnesium and iron

    D)         Magnesium, tin and iron

    Correct Answer: C

    Solution :

    Not available


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