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Railways Sample Paper RRBs Assistant Loco Pilot and Technician CBT STAGE-I Sample Paper-21

  • question_answer
    The most abundant element in earth crust is

    A)  Nitrogen           

    B)  Oxygen

    C)  Silicon 

    D)  Aluminium

    Correct Answer: B

    Solution :

    The order of abundancy of few elements in the earth crust is O > Si > Al > Fe Nitrogen (N) is the most abundant element in the atmosphere.


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