Question

Factory waste is neutralised before disposing it into the water bodies . class 7​

Answer 1

Explanation:

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.

Answer 2

FACTORY WASTE CONTAINS ACIDS THAT CAN BE HARMFUL FIR WATER WHICH POLLUTES IT AND CAN CAUSE DEATH TO AQUATIC ANIMALS SO BASES ARE ADDED TO NEUTRALIZE IT SO THAT IT BECOMES HARMLESS.