SSC Geography Sample Paper NCERT Sample Paper-5

  • question_answer
    The correct sequence of atmospheric gases as expressed in percentage by volume is

    A)  Oxygen, carbon dioxide, nitrogen, hydrogen

    B)  Carbon dioxide, oxygen, nitrogen, hydrogen

    C)  Hydrogen, nitrogen, carbon dioxide, oxygen

    D)  Nitrogen, oxygen, carbon dioxide, hydrogen

    Correct Answer: D

    Solution :

    [d] The correct percentage of gases by volume present in the atmosphere is nitrogen (78.03%), oxygen (20.99%), argon (6.93%), carbon dioxide (0.03%), hydrogen (0.01%), neon (0.0018%), helium (0.005%), krypton (0.000009%) and ozone (0.000001%)

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