Difference between revisions of "Acid rain"
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| − | Acid rain is rain that is more acidic than in its natural state, and is usually consider to be a pH of less than 5. (Natural rain water is slightly acidic due to the presence of dissolved [[carbon dioxide]]. Acid rain forms when [[ | + | Acid rain is rain that is more acidic than in its natural state, and is usually consider to be a pH of less than 5. (Natural rain water is slightly acidic due to the presence of dissolved [[carbon dioxide]]. Acid rain forms when [[sulphur dioxide]] dissolves in [[water]] to make [[sulphurous acid]]. The [[sulphur dioxide]] can also be oxidized to [[sulphur trioxide]] and form [[sulfuric acid]] upon reaction with [[water]] |
| − | Acid rain can cause damage to structures and statues, and also plant life. (For example the [[Black forest]] of [[Germany]] has been heavily damaged by acid rain.) | + | Acid rain can cause damage to structures and statues, and also plant life. (For example the [[Black forest]] of [[Germany]] has been heavily damaged by acid rain.) The combined action of carbonic, sulphuric and nitric acid can dissolve limestone statues on account of a neutralisation reaction. |
[[category:environment]] | [[category:environment]] | ||
Revision as of 00:13, June 18, 2007
Acid rain is rain that is more acidic than in its natural state, and is usually consider to be a pH of less than 5. (Natural rain water is slightly acidic due to the presence of dissolved carbon dioxide. Acid rain forms when sulphur dioxide dissolves in water to make sulphurous acid. The sulphur dioxide can also be oxidized to sulphur trioxide and form sulfuric acid upon reaction with water
Acid rain can cause damage to structures and statues, and also plant life. (For example the Black forest of Germany has been heavily damaged by acid rain.) The combined action of carbonic, sulphuric and nitric acid can dissolve limestone statues on account of a neutralisation reaction.
