Have you ever observed any water pollution ...

NCERT Class XI Chemistry Environmental Chemistry Solutions

Question : 12 of 20

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Have you ever observed any water pollution in your area? What measures would you suggest to control it?

Solution:

Yes. The water pollution can be controlled by :

1. Treatment of sewage :

(a) by removing impurities,

(b) by passing chlorine,

2. Treatment of industrial waste :

(a) by precipitating impurities,

(b) by photocatalysis,

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