Question

why does the factors waste is neutralised before disposing it into the river.

Answer 1

Answer:

factory wastes are neutralized before disposing into water bodies because, factory wastes often contain acid. if it reaches a river, the acid will kill aquatic life. this is prevented by adding a base called slaked lime.

Explanation:

Answer 2

Answer:

Factory wastes contain acids which if untreated and discharged into water bodies will cause harm to fish and other aquatic organisms living in water bodies. Therefore, they should first be treated with basic substances to neutralise them and then discharged into water bodies

hope it helped...