JEE Main & Advanced Chemistry Metallurgy / धातुकर्म Question Bank Occurrence

  • question_answer
    The most abundant element on earth crust is  [MP PMT 1972, 80, 84; DPMT 1986]

    A) Hydrogen

    B) Oxygen

    C) Silicon

    D) Carbon

    Correct Answer: B

    Solution :

             Element       % abundance by weight
    O 46.6
    Si 27.7
    Al 8.3
    Fe 5.1
    Ca 3.6


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