The rain becomes acidic due to dissolution of carbon dioxide, sulphur dioxide and nitrogen dioxide in rain drops to form carbonic acid, sulfuric acid and nitric acid respectively.
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What is acid rain?
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Paheli observed that most of the fish in the pond of her village were gradually dying. She also observed that the waste of a factory in their village is flowing into the pond which probably caused the fish to die. (a) Explain why the fish were dying. (b) If the factory waste is acidic in nature, how can it be neutralised?
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