Question

B. State whether True or False :

(a) Chlorination helps in removing foul odour of waste water,
(b) Sewage treatment does not purify water.
(c) Treated water can be utilized for agriculture.
(d) Oxygen of water depletes due to the decay of degradable wastes.
(e) Scum contains oils, paints, grease floating on the top of tank.

• DON'T SPAM
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Answer 1

Answer:

False

False

True

False

True

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Answer 2

Answer:

false

false

true

false

true

Explanation:

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