Photochemical smog upsc
WebQ. Assertion :Classical smog is oxidising smog whereas photochemical smog is reducing smog. Reason: Classical smog occurs in warm, dru and sunny climate whereas … WebNov 5, 2024 · Photochemical smog is produced when sunlight reacts with oxides of nitrogen and at least one volatile organic compound (VOC) in the atmosphere. Health impacts: …
Photochemical smog upsc
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WebNov 12, 2014 · AQI will monitor these 8 pollutants to help UPSC examiner frame MCQs: PM 10: Coarse Pollutants with a diameter of 10 microns or less. Mostly from dust and smoke. ... Photochemical smog=> rubber cracking, plant damages, metals corroded. NH 3: Ammonia in air + NOX, SOx=>PM 2.5 and PM 2.5 have very small size, they float in air for … WebJan 4, 2016 · Smog = smoke + fog (smoky fog) caused by the burning of large amounts of coal, vehicular emission and industrial fumes (Primary pollutants). Smog contains soot …
WebApr 8, 2024 · While on the other hand, photochemical smog happens due to ultraviolet radiation that reacts to pollutants that are present in the air. Common pollutants present … WebSelect on a city name to view the rankings for your city, a chart of the trends for ozone and year-round particle levels over time, and information about how many residents are in …
WebApr 12, 2024 · The effects of smog on human health and the environment are serious and harmful. The main components of photochemical smog are nitrogen oxides, Volatile Organic Compounds (VOCs), tropospheric ozone, and PAN (peroxyacetyl nitrate). Note: Primary Pollutants: Those pollutants which are directly emitted from a source are called primary … WebPhotochemical smog is the chemical reaction of sunlight, nitrogen oxides and volatile organic compounds in the atmosphere, which leaves airborne particles and ground-level …
WebMar 10, 2024 · Photochemical smog is a type of air pollution due to the reaction of solar radiation with airborne pollutant mixtures of nitrogen oxides (NOx) and volatile organic compounds (hydrocarbons). Smog is a byproduct of modern industrialization. Due to industry and the number of motor vehicles, this is more of a problem in large cities that …
WebThe formation of photochemical smog is closely related to the concentration of primary pollutants (oxides of nitrogen such as nitric oxide, nitrogen dioxide, and nitrous oxide and most VOCs) in the atmosphere. In some cases, it is also related to the concentration of secondary pollutants (aldehydes, tropospheric ozone, and PAN). crystal creek restaurantWebNov 2, 2024 · Photochemical smog results in reduced visibility, irritation of the eyes, and respiratory diseases in humans. The smog affects brain, eyes, nervous system and lungs. … crystal creek sandwich coWebPhotochemical smog is a brownish-gray haze caused by the action of solar ultraviolet radiation on atmosphere polluted with hydrocarbons and oxides of nitrogen. It contains … dwarf mini puffer fishWebApr 17, 2024 · The term smog was first used in 1905 by Dr. H A Des Voeux to describe the conditions of fog that had soot or smoke in it. Smog is a combination of various gases with water vapor and dust. There are 2 distinct types of smog: Classical Smog/Sulfurous Smog/ London Smog: - It is caused by high concentrations of sulphur oxides in the air due to use … dwarf mining game pcWebThe formation of photochemical smog requires low temperature and fast-moving air. Which of the statements given above are correct?a)1 and 2 onlyb)2 and 3 onlyc)1 and 3 onlyd)1, … dwarf mmoWeb2 2. Classical (‘London-type’) smog. London-type smog occurs in the regions where 1) emission of the sulfur-containing compounds is high (due to burning of coal to generate heat and energy); 2) air contains high liquid water contents (e.g., fogs). Fog is the dispersed water drops. Fogs can be viewed as clouds that are in contact with dwarf mini cannon osrsWebPhotochemical smog refers to a chemical reaction of sunlight, nitrogen oxides, and organic compounds in the atmosphere. This smog is visible … crystal creek sandwich flagstaff az