SSC Ecology And Environment Sample Paper NCERT Sample Paper-3

  • question_answer
    The example of a chemical pollutant is

    A)  \[N{{O}_{2}}\]

    B)  CO

    C)  DDT                

    D)  phenol

    Correct Answer: D

    Solution :

    [d] Chemical pollutant causes changes in the chemical properties of water. They mainly effect the pH, acidity, alkalinity etc. of water. They are chlorine,\[S{{O}_{2}},\] \[{{H}_{2}}S,\] phenol, etc.

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