5th Class Science Pollution and Calamities Question Bank Pollution and Calamities

  • question_answer
    When oxides of nitrogen and sulphur react with water vapour in the air they cause ______.

    A) Ozone depletion

    B) Global warming

    C) Acid rain

    D) Oil spill

    Correct Answer: C

    Solution :

    When oxides of sulphur and nitrogen react with water vapour present in the atmosphere they form acids of nitrogen and sulphur. These acids fall down with rain drops. This is called acid rain and harms plants, animals and buildings etc.


You need to login to perform this action.
You will be redirected in 3 sec spinner