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.
- Explain why the fish were dying.
- If the factory waste is acidic in nature, how can it be neutralised?
- Since factory waste may contain acids or bases, it can kill the fish.
- If the factory waste is acidic in nature, it can be neutralised by adding basic substances like quicklime or slaked lime.