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Carbon dioxide in the atmosphere is dissolved in water, making natural rainwater slightly acidic, so when other gases such as sulphur dioxide are dissolved in rainwater, it becomes more acidic than it would be if it didn't contain carbonic acid.
carbon dioxide
Calcium carbonate is practically insoluble in pure water; if the rain water is acid calcium carbonate may be dissolved.
Unpolluted rain should be neutral but many pollutants are acidic (oxides, dioxides and trioxides of Sulphur and Nitrogen in particular). These can become dissolved in rainwater it cause it to become acidic.
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Sulfuric acid is formed.
Rocks can be gradually dissolved by naturally acidic rainwater.
acid rain
Carbon Dioxide
acid rain
acid rain
Carbon Dioxide
Leaching
Virtually none. Ever fresh rainwater or snow has dissolved impurities in it.
it is dissolved by weak acids in rainwater
Rainwater is normally acidic because the carbon dioxide in the air which mixes with rainwater to form weak acid. That's why its acidic ^_^ Rainwater is also because of the pollutions in the air and it mixes with the water so its not good. meee!