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Railways General Science & Technology Ecology and Environment Sample Paper Ecology & Environment Awareness Sample Test Paper-35

  • question_answer
    The \[C{{O}_{2}}\] content in the atmospheric air is about

    A)  0.034%

    B)  0.34%

    C)  3.34% 

    D)  6.5%

    Correct Answer: A

    Solution :

    [a] The content of \[C{{O}_{2}}\] in atmospheric air is 0.034%. The main contributors to air are \[{{N}_{2}}\] and\[{{O}_{2}}\].


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