Which of the following acts as a secondary po | vedclass

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(D) Primary pollutants are those that enter the air directly from their source,$e.g.,$ $NO_{2}, Br_{2}, Cl_{2}, CO, DDT$,etc.Secondary pollutants are

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$HNO_{3}$

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(D) Primary pollutants are those that enter the air directly from their source,$e.g.,$ $NO_{2}, Br_{2}, Cl_{2}, CO, DDT$,etc.Secondary pollutants are formed from the interaction of primary pollutants with atmospheric constituents. For example,nitrogen oxides react with atmospheric moisture (water vapour) to form $HNO_{3}$,which contributes to acid rain.

Which of the following acts as a secondary pollutant?

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