Which of the following is a secondary polluta | vedclass

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(C) Secondary pollutants are not emitted directly into the atmosphere but are formed through chemical reactions between primary pollutants and other a

Vedclass · Accepted Answer

$O_3$

Vedclass · Answer

(C) Secondary pollutants are not emitted directly into the atmosphere but are formed through chemical reactions between primary pollutants and other atmospheric components.Ozone $(O_3)$ is a classic example of a secondary pollutant,formed in the troposphere by the photochemical reaction of nitrogen oxides $(NO_x)$ and volatile organic compounds $(VOCs)$ in the presence of sunlight.$SO_2$,$CO$,and $NO_2$ are primary pollutants as they are emitted directly from sources like combustion processes.

Which of the following is a secondary pollutant?

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