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  • What is smog. How is classical smog different from photochemical smogs?

14.6.    What is smog? How is classical smog different from photochemical smogs?

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Smog is a mixture of smoke and fog. It is the pollutants of air pollution. It affects our eyesight during the winter. There are two types of smog-

  1. Classical smog- It occurs in a cool, humid climate. It is reducing in nature and it has smoke, fog and sulphur dioxide.
  2. photochemical smog- It occurs in a dry and sunny climate. It is oxidising in nature and its components are PAN, ozone and nitric oxide etc.

 

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