Ddt is primary or secondary pollutant
WebApr 3, 2024 · DDT (dichloro-diphenyl-trichloroethane) was developed as the first of the modern synthetic insecticides in the 1940s. It was initially used with great effect to … http://www.differencebetween.net/science/difference-between-primary-pollutants-and-secondary-pollutants/
Ddt is primary or secondary pollutant
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WebApr 12, 2024 · Primary pollutants are emitted from natural or anthropogenic sources directly into the atmosphere, while secondary pollutants result from the chemical reactions or the physical interactions … http://www.unishivaji.ac.in/uploads/exam/2024/question-bank/science/BE/civil/1/02112024Civil_67762_APC_Practice%20Question%20Bank%20(1).pdf
Secondary pollutants are formed when primary pollutants react with other gases or particles. Such transformations always occur in an open atmosphere. They can be just as harmful to people and the environment as primary pollutants. Secondary pollutants, unlike primary pollutants, do not become … See more Primary pollutants are raw materials for further pollutants formation. The most common primary pollutants are nitrogen oxides (NOx), sulfur oxides (SOx), carbon monoxide (CO), particulate matter (PM), volatile organic … See more Air pollutants There are different effects of air pollutants on the environment. 1. Photochemical smog 2. Acid deposition (Acid rain) 3. … See more 1. Stationary sources of pollutants Chimneys of power plants, manufacturing facilities, waste, etc are stationary sources of pollutants. 2. Natural sources of pollutants Forest fires, emissions from trees, volcanic … See more WebOct 27, 2024 · Which is a primary or secondary pollutant in the air? Primary pollutants include ammonia, sulfur dioxide, nitrogen dioxide and carbon monoxide. Secondary pollutants include ground-level ozone, acid rain and nutrient enrichment compounds. ... Which is an example of a biodegradable pollutant? 11.DDT and Aluminium cans are …
WebWhich of the following best describes why DDT is classified as a persistent organic pollutant? DDT is very stable, and as much as 50% of the original concentration can remain in the soil 15 years after the initial application DDT can be used to control diseases, such as malaria and typhus, that are spread by insects. WebAnswer: Primary pollutants are pollutants persisting in the environment in the form they are passed into it, for example DDT. Primary pollutants are released directly from their source, e.g. oxides of carbon and sulphur from burning of fossil fuels, unburt hydrocarbons from automobiles, smoke, ash from factories, dust from various factories ...
Web→ when big amounts of pollutants are released causing lots of harm The Bhopal incident is an example - released 45 tonnes of chemicals, 5k died within 24h and 20k overall. Long term effects like lung diseases, lifelong disabilities and disabled newborns Chronic → Pollutant released in small amounts over a long period of time Air pollution is an …
WebWhat is pollution? → Addition of substance/agent at higher rate than that at which environment can regenerate Types of pollutants Primary → active on emission (carbon monoxide from incomplete combustion of fossil fuels) Secondary → formed by primary pollutants undergoing physical/chemical changes (sulphuric acid forms when sulfur … lantikan pslWebMay 18, 2024 · DDT is a primary pollutant. What are the 5 primary pollutants? Types of primary pollutants include: Nitrogen oxides (NOx) Carbon monoxide (CO) Volatile organic compounds (VOCs) Sulfur oxides (SOx) Particulate matter (PM) Mercury. and more. Which type of pollutant is DDT? persistent organic pollutant lantikan ptdWebThe pollutants emitted into the environment directly from the identifiable sources and remains unchanged within that environment are known as primary pollutants. The pollutants which undergo chemical changes in … lantikan sebagai pengurusWebQ. Read the following statements carefully. (i) An electrostatic precipitator removes particulate matter by imposing negative charge on them. (ii) Catalytic converters convert unburnt hydrocarbons into carbon dioxide and water. lantikan ptbWebApr 9, 2024 · Air pollutants from various industries are a cause of major concern and they can be natural or man-made. They can be classified as primary and secondary pollutants. >Primary pollutants- These are directly emitted from processes like volcanic eruptions, factories, fossil fuel consumption, etc. lantikan sebagaiWebSolution Verified by Toppr Correct option is A) A primary pollutant is an air pollutant emitted directly from a source. A secondary pollutant is not directly emitted as such, but forms when other pollutants (primary pollutants) react in the atmosphere. lantikan sebagai urusetiaWebDichlorodiphenyltrichloroethane (DDT) is an organochlorine substance, which was first synthesized in 1874, however, its insecticidal properties were discovered in 1939. DDT … lantikan sebagai petugas