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GK MCQs Section
Q. Which of the following are the constituents of Photochemical Smog?
  1. Sunlight
  2. Volatile Organic Compounds
  3. Nitrogen Oxides
Select the correct answer from the codes given below-
Answer: 1,2,3
Notes: Photochemical smog is the pollutant formed by the reaction of sunlight with nitrogen oxide and one of the Volatile organic compound.

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