- Photochemical smog formation requires sunlight, NOx, and VOCs. - Key components of photochemical smog include Ozone (O₃), Peroxyacyl Nitrates (PANs), aldehydes, ketones, hydrogen peroxide (H₂O₂), and nitric acid (HNO₃). - Option A lists some of these components (H₂O₂, organic peroxide) and a key precursor (NO) and a necessary reactant (O₂).
Photochemical smog is formed by
Asked in TNPSC CS Prelims 2014 · Topic: Pollution (Air Pollution: Types, sources, primary & secondary pollutants, smog, acid rain, effects, control technologies & policies.)
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