Question

25. 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 nutrilised​

Answer 1

Answer:

(a) fish were dying because of the factory waste which was disposed in fish water.

(b) it can be nutrilised by base.

Answer 2

Answer:

a) Fish were dying because of the acids released by the factory

b) Factory waste is an acid so, we should add base to nutralise it. Therefore, we can add something containing strong base.

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