In particular, acid rain falling over the oceans is rapidly neutralized by the large supply of co3 2ions chapter 6. Acid rain was discovered in the 19th century by robert angus. It causes economic damage to manmade structures buildings, fabrics. Acid rain forms when certain atmospheric gases primarily carbon dioxide, sulphur dioxide, and. Acid rain is a rain or any other form of precipitation that is unusually acidic, meaning that it has elevated levels of hydrogen ions low ph. Comprehensive collection of powerpoint presentations ppt for evs. Acid rain is the term given to increased acidity of rain due to the effects of gases from. Acid rain is a local environment pollution but global concern. Study the causes, effects, along with a few examples and understand the prevention measures. Learning about acid rain a teachers guide for grades 6. You can find epa content listed alphabetically, from acid rain to wetlands.
Acid rain and its effect in hindi evs lectures youtube. Acid rain is one of the major environmental threats since 19th century. Called acid rain, it can cause environmental devastation. Acid rain facts and information national geographic. Some of these gases especially nitrogen oxides and sulphur dioxide react with the tiny droplets of water in clouds to form sulphuric and nitric acids.
The main causes of acid rain are gases called sulfur dioxide so2 and nitrogen oxides nox. Project report on acid rain environmental pollution. Today every body has a craze for having own vehicles and in most of the cities automobiles are rapidly becoming the main source of air pollution. Smith, a pharmacist from manchester england, who measured high levels of acidity in rain. Introduction to acid rain normal rain water is always slightly acidic because c02 present in atmosphere, get dissolved in it form carbonic acid. All presentations are compiled by our tutors and institutes. Although the number of vehicles, plying in indian cities including metropolitan is still insignificant as compared to the. Phase i of acid rain program implementation begins. Ugc net acid rain for first grade, net,reet,tet,etc all exam duration. Acid rain has ecological consequences in that it affects the soil, vegetation, especially forests, lakes and hence fish. Acid rain, sulphuric, deposition, nitrogen, pollutants causes. Effects, control pdf of full length paper is available with author. Start here if you have a topic or term in mind but dont know where to find it on epas website. Caused when rain droplets absorb air pollution like sulfur and nitrogen oxides, acid rain weakens trees by dissolving nutrients in the soil before.
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