What are primary and secondary pollutants of the air? from Chem

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 Multiple Choice QuestionsShort Answer Type

1.

What is environment?

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2.

What is environmental chemistry?

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3.

What is the temperature range of the atmosphere?

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4.

In what regions of the atmosphere, the temperature increases with altitude and in which regions it decreases?

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5.

What is the size range of particulates?

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6.

How particulates help in the cloud formation?

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7.

Name three gases which are major air pollutants. 

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8.

What are primary and secondary pollutants of the air?


Primary pollutants are those which after their formation remains as such e.g. NO. Secondary pollutants are those which are formed as a result of the reaction between primary pollutants e.g. peroxyacetylnitrate (PAN).


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9.

Which zone is called ionosphere?

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10.

What gaseous species are present in the mesosphere and thermosphere?

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