What is Acid rain?define and give examples?
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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). ... Acid rain is caused by emissions of sulfur dioxide and nitrogen oxide, which react with the water molecules in the atmosphere to produce acids.
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Acid rain is rain that is unusually acidicand corrosive in nature. ... It may be defined as "rain water having pH less than 5.6". Acid rain can have harmful effects on plants, animals and humans. It is caused when gaseous compounds of ammonium, carbon, nitrogen, and sulphur are released into the atmosphere...
eg :acid rain is termed as marble cancer as it damages the walls and marble of TAJ MAHAL
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