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Environmental Issues — BIOLOGY STD 12 Science — Question

Gujarat BoardEnglish MediumSTD 12 ScienceBIOLOGYEnvironmental Issues2 Marks
Question
What are secondary pollutants? Give two examples.
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Answer

Pollutants which are formed by reaction between the primary pollutants in the presence of sunlight are called secondary pollutants.
Examples: Proxy-acyl nitrate (PAN) and Ozone.

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