Photochemical smog upsc

WebDr H A Des Voeux coined the term "smog" in 1905. Smog was created by combining the words fog and smoke. Smog is a type of fog that contains soot or smoke. Smog is a type of air pollution that makes it difficult to see. Smog means smoke and fog that refers to smoky fog due to its opacity and odour. The term was originally intended to relate to ...

Environmental pollution MCQ [Free PDF] - Objective Question

WebMar 14, 2024 · Discuss in detail the photochemical smog emphasizing its formation, effects and mitigation. Explain the 1999 Gothenburg protocol. [150/10] Explain the mechanism and occurrence of cloudburst in the context of the Indian subcontinent. Discuss two recent examples. [150/10] Discuss the type of organised crimes. 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 … canadian sniper 2 mile shot https://nhukltd.com

What is smog? How is classical smog different from …

WebNov 16, 2024 · A Computer Science portal for geeks. It contains well written, well thought and well explained computer science and programming articles, quizzes and practice/competitive programming/company interview Questions. WebPhotochemical 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 … 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 … canadian snowbirds association florida

What is smog? How is classical smog different from …

Category:What is Air Pollution? Definition, Types, Causes, Prevention

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Photochemical smog upsc

Environmental pollution MCQ [Free PDF] - Objective Question

WebNov 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. … WebFeb 27, 2024 · The hydroxyl radical is especially important in the formation of smog and in a wide variety of other kinds of photochemical reactions. The methyl radical can react with an oxygen molecule, (10.11.3) H 3 C ⋅ + O 2 → H 3 COO ⋅. to produce a methylperoxyl radical, H3COO•. This is a strongly oxidizing, reactive species.

Photochemical smog upsc

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WebQ. Assertion :Classical smog is oxidising smog whereas photochemical smog is reducing smog. Reason: Classical smog occurs in warm, dru and sunny climate whereas … WebPublic Service Commission (PSC) RRB Entrance Exams. SSC Exams

WebJan 22, 2024 · Photochemical smog is capable of inflicting irreversible damage on the lungs and heart. Even short-term exposure to photochemical smog tends to have ill effects on … WebJul 25, 2024 · The study modelled the effects of reducing particle pollution and discovered that it could cause an ozone increase of 20-30% in some densely populated areas of India and China.If left unmanaged, this will have a full-size poor impact on ecosystems and crop yields. The researchers are calling for new strategies that take this interaction between ...

WebMar 20, 2024 · The correct answer is NO2, O3, and peroxyacetyl nitrate in the presence of sunlight. Key Points Smog is a secondary pollutant, which has made up of Smoke and … 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 …

WebFeb 18, 2024 · smog, community-wide polluted air. Its composition is variable. The term is derived from the words smoke and fog, but it is commonly used to describe the pall of automotive or industrial origin 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). fisherman and his wife moralWebIntroduction Photochemical smog formation can be compared to a mixture of pollutants created when volatile organic compounds and nitrogen oxides interact with sunlight. As a result, they make a brownish haze that can be seen above the cities, usually in the summer months when there is lots of sun.. Primary and secondary pollutants 1. Primary pollutants … fisherman and sons homesteadWebAug 28, 2024 · Environment by Shankar IAS Chapter 5 – Environmental Pollution: Smog, Photochemical smog, formation of smog, effects of smog, indoor air pollution, fly ash, ... canadian snow cdWebApr 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 … fisherman and the businessman storyWebPhotochemical smog, also known as summer smog, is a type of smog that is produced when UV light originating from the sun interacts with the oxides of nitrogen present in the … canadian snowbirds places to stay in floridahttp://irina.eas.gatech.edu/ATOC3500_Fall1998/Lecture19.pdf canadian snowbirds newsWebFeb 3, 2024 · For more information about Particulate Matter programs in New England, please contact: Alison Simcox ([email protected]) EPA New England. 5 Post Office … fisherman and the businessman