Constituents involved in the formation of Photochemical Smog - Environment & Biodiversity

Q.  Which of the following are the constituents of / involved in the formation of Photochemical Smog?
1) Ozone
2) Nitrogen oxides
3) Volatile organic compounds
4) Small amount of precipitation

- Published on 31 Aug 15

a. Only 3 and 4
b. Only 2, 3 and 4
c. Only 1, 2 and 3
d. All of the above

ANSWER: Only 1, 2 and 3
 
Ground level ozone is formed nitrogen oxides from emissions react with volatile organic compounds in the presence of sunlight. Ozone is one of the primary components of Smog.

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