Post #827 — Civil engineering competitive exam (@Civil_engg_competitive

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Civil engineering competitive exam

28 Sep 2019, 19:53

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Air pollution

♦️ Primary & Secondary air pollutants

🔸 Primary air pollutant

👉 Finer particles

👉 Coarse Particles

👉 Sulphur compounds

👉 Oxides of Nitrogen

👉 Carbon monoxide

👉 Halogen compounds

👉 Organic compounds

👉 Radioactive compounds

👉 Hydrocarbons

🔹 Secondary air pollutant

👉 Ozone

👉 Formaldehyde

👉 PAN (Peroxy acetyl nitrate)

👉 Photochemical Smog

@Civil_engg_competitive_exam

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