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Standard VIII
Chemistry
Smog
What is the c...
Question

What is the correct combination that makes up smog?

A
Fog and dust
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B
Smoke and fog
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C
Dust and gases
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D
Smoke and dust
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Solution

The correct option is B Smoke and fog
Smoke may contain oxides of nitrogen which combine with other air pollutants and fog to form smog. The smog causes breathing difficulties such as asthma, cough and wheezing in children.

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