English

Photochemical smog pollution does not contain ______.

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Question

Photochemical smog pollution does not contain ______.

Options

  • PAN (peroxyacetyl nitrate)

  • ozone

  • nitrogen dioxide

  • carbon dioxide

MCQ
Fill in the Blanks
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Solution

Photochemical smog pollution does not contain carbon dioxide.

Explanation:

Photochemical smog contains secondary pollutants such as PAN, ozone and nitrogen dioxide. Carbon dioxide is not listed as a component of photochemical smog.

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Chapter 20: Environmental Issues - EXERCISES [Page 1153]

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Sarita Aggarwal Biology [English] Class 12 ISC
Chapter 20 Environmental Issues
EXERCISES | Q I. 27. | Page 1153
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