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?

Answers (1)

a) As Factory waste is disposed of in the river it can kill the fish as factory waste may contain acids, bases and other toxic compounds.

b) If the factory waste is acidic in nature, it can be neutralised by adding basic substances.

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