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Air quality - acid rain
AB
H2SO4Main cause of acid rain
HNO3Causes some of the acid rain
acid rainrain which has a pH in region of 4/5
NO2nitrogen dioxide
SO2sulphur dioxide
pollutantssubstances which should not be present in the air
H2CO3causes natural acidity of rain water
volcanoesnaturally produce SO2
ozoneO3
sulphurHigh content in some coal deposits
ChloroFluoroCarbons(CFC's)destroys ozone layer

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