The pollutants which come directly into the a | vedclass

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(C) The correct answer is $Peroxyacetyl$ $nitrate$ $(PAN)$.Primary pollutants are emitted directly from sources into the atmosphere,such as $CO$,$Hydr

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Peroxyacetyl nitrate

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(C) The correct answer is $Peroxyacetyl$ $nitrate$ $(PAN)$.Primary pollutants are emitted directly from sources into the atmosphere,such as $CO$,$Hydrocarbon$,and $NO$.Secondary pollutants are formed in the atmosphere through chemical reactions between primary pollutants and other atmospheric components.$Peroxyacetyl$ $nitrate$ $(PAN)$ is a secondary pollutant formed by the reaction of nitrogen oxides with volatile organic compounds in the presence of sunlight.

The pollutants which come directly into the air from sources are called primary pollutants. Primary pollutants are sometimes converted into secondary pollutants. Which of the following belongs to secondary air pollutants?

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