Which of the following is an inorganic gaseous pollutant of air?
A. Phosgene
B. Hydrogen cyanide
C. Hydrogen sulphide
D. Methane
Answer: Option C
This Question Belongs to Chemistry GK Chapter Wise >> Environmental Chemistry
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The term 'brown air' is used for
A. Acid fumes
B. Photochemical smog
C. Sulphurous smog
D. Industrial smog
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