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SSC Sample Paper SSC CGL - Sample Paper-3

  • question_answer
    The smog is essentially caused by the presence

    A)  \[{{O}_{3}}\] and \[{{N}_{2}}\]                      

    B)  \[{{O}_{2}}\] and \[{{N}_{2}}\]

    C)  Oxides of N and S        

    D)  \[{{O}_{2}}\] and \[{{O}_{3}}\]

    Correct Answer: C

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