what is acid rain ? how is it caused?
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Acid rain is rain with a pH of less than 5 due to dissolution of sulphur dioxide , nitrogen oxides and hydrochloric acid in it .
Acid rain is caused by a chemical reaction that begins when compounds like Sulphur dioxide and nitrogen oxides are released into the air . These substances can rise very high into the atmosphere , where they mix and react with water , oxygen , and other chemicals to form more acidic pollutants , known as Acid rain .
Acid rain is caused by a chemical reaction that begins when compounds like Sulphur dioxide and nitrogen oxides are released into the air . These substances can rise very high into the atmosphere , where they mix and react with water , oxygen , and other chemicals to form more acidic pollutants , known as Acid rain .
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Some gases like nitrogen oxide and sulphur dioxide reacts with tiny droplets of water in the cloud to form nitric and sulphuric acids.The rain from these clouds then fall as very weak acid that's why it's know as acid rain.
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