11th Class Chemistry Environmental Chemistry

  • question_answer 58)
      Match the pollutants given in column I with their effects given in column II.  
    Column I   Column II
    (i) Phosphate fertilisers in water (a) BOD level of water increases
    (ii) Methane in air (b) Acid rain
    (iii) Synthetic detergents in water (c) Global warming
    (iv) Nitrogen oxides in air (d) Eutrophication
                   

    Answer:

      (i - a, d), (ii - c), (iii - a), (iv - b)


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