Ozone layer of upper atmosphere is being destroyed by which of the following?
A. Sulphur dioxide
B. Photochemical oxidants
C. Chlorofluorocarbons
D. Smog
Answer: Option C
This Question Belongs to Chemistry GK Chapter Wise >> Environmental Chemistry
Related Questions on Environmental Chemistry
The term 'brown air' is used for
A. Acid fumes
B. Photochemical smog
C. Sulphurous smog
D. Industrial smog
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