Railways General Science & Technology Pollution of Air and Water Sample Paper Air Pollution Sample Test Paper-20

  • question_answer
    Which pollutants are responsible for bronchitis?

    A)  \[{{O}_{2}},C{{O}_{2}}\]      

    B)  \[CO,C{{O}_{2}}\]

    C)  \[S{{O}_{2}},N{{O}_{2}}\]    

    D)  \[C{{I}_{2}},{{H}_{2}}S\]

    Correct Answer: C


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