Question

what is acid rain how is it form giveme full detail to get pts

Answer 1

hii kavya

in our atmosphere there are so many gases

acid rain is mainly cause by two gases namely

oxides of nitrogen and sulphur which mix with the water vapour and leads to the acid rain.

hence, acid rain is a rain which is slightly acidic and is harmful for aquatic life and historical monuments.

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Answer 2

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⛤❤↪Unpolluted rain is already slightly acidic because of the presence in air of carbon dioxide, which combines with water to form carbonic acid. This rain has a pH value of 5.6, However, rain is seldom unpolluted. When rain is contaminated with sulphuric and nitric acids the pH falls below 5.6. This is what we refer to as acid rain.
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●□☆■》Acid rain caused by emission of SO2 and NOX from various sources to the atmosphere and they dissolve in atmospheric water and produce acids in the rain water. SO2 does not react much in the atmospheric chemicals but it can travel quicker to long distances and when get contact with ozone or hydrogen peroxide it produces SO3, which is highly soluble in water and form sulphuric acid. Sulphur dioxide is naturally produced by volcanic eruptions, sea spray, planktons, rotting vegetation and forest fires. □■■Anthropogenic sources 69.4 % of Sulphur dioxide released from industrial combustion (point sources), house hold heating of fire wood and coal (area or non-point sources) and 3.7% from transportation (mobile sources)》.
WHEN?❔↪and fertilizer industries, utility plants and other industrial combustion (32%) (‘Causes and Effects of Acid Rain’《☆》2012).
↪⛤✔Acid rain increases nitrate levels in soil, leading to nitrogen saturation in soils. Nitrate ions remove additional calcium and magnesium from soil, excess nitrogen also leads to eutrophication in water bodies its about 20-60 % of the total deposition is dry deposition. ☜⛤⤵

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