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Railways RRB (Assistant Loco Pilot & Technician) Solved Paper-2 (2013)

  • question_answer
    The most abundant metal in the earth's crust is

    A)  zinc                  

    B)  copper

    C)  aluminium             

    D)  iron

    Correct Answer: C

    Solution :

    Crust is the outermost solid layer of the Earth. The most abundant metal in the Earth crust is Aluminium which accounts for 8.1% of its weight. Other elements in abundance in Earth crust are Oxygen and Silicon which accounts for 46% and 28% of its mass.


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