9th Class Science Natural resources Question Bank 9th CBSE Science Natural resources

  • question_answer
      Name the major industrial air pollutants.

    Answer:

                      The major industrial air pollutants are: (i) SO2, CO2, oxides of nitrogen           (ii) Hg                                    (iii) Fumes of acids                       (iv) Dust (v) Particles of unburnt hydrocarbons     (vi) Lead                               (vii) Asbestos                            (viii) Cement


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