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प्रश्न
PAN is ______.
विकल्प
poisonous american nuisance
primary air pollutant
photochemical oxidant
particulate atmospheric nitrogen compound
MCQ
रिक्त स्थान भरें
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उत्तर
PAN is photochemical oxidant.
Explanation:
PAN is a secondary pollutant formed in photochemical smog. It is produced by the reaction of nitrogen oxides and hydrocarbons in the presence of sunlight and acts as a strong oxidant, which can damage plants by shutting down photosynthesis and aging them prematurely. It is not a primary air pollutant but a photochemical oxidant formed in the atmosphere due to sunlight-driven reactions.
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