WebPhotochemical smog causes irritation of the eyes, nose, throat, and chest. Eye irritation is not caused by O 3, but by PANs and trace free radical HCs. O 3 is a powerful oxidant that may injure the bronchiolar and alveolar walls of the lungs. WebThe major undesirable components of photochemical smog are nitrogen dioxide (NO 2), ozone (O 3), PAN (peroxyacetylnitrate), and chemical compounds that contain the –CHO …
Photochemical Smog - What is it and How is it …
WebHydrocarbons in air by themselves alone cause no harmful effects. However, they undergo chemical reactions in the presence of sunlight and nitrogen oxides. They form … WebNov 28, 2024 · • Smog reduce visibility and create an unattractive haze on the horizon. Photochemical smog causes irritation of the eyes, nose, throat, and chest. Eye irritation is not caused by O3, but by PANs and trace free radical HCs. • Smog can make breathing more difficult by chocking lungs. This can be especially troubling for people with asthma. unsaved changes in excel
EPA Information - Photochemical smog — what it …
WebJun 8, 2024 · Small amounts of ozone can cause this easily, but PAN is even more toxic to plants. Smog can cause heart and lung problems, eye irritation, respiratory problems, … WebEnvironmental irritants: Tobacco smoke, smog, chlorinated pool water and even dry weather can all irritate your eyes. Environmental irritants may also cause feelings of grittiness or graininess in your eyes. Foreign objects: Sometimes, the sensation that something is “stuck” in your eye is actually true. Web[AIPMT (Prelims)-2012] (1) Photochemical smog is formed through photochemical reaction involving solar energy (2) Photochemical smog does not cause irritation in eyes and throat (3) Carbon monoxide does not play any role in photochemical smog formation (4) Photochemical smog is an oxidising agent in character recipes for polish sausage soup