Chemistry, asked by shrisha7280, 5 months ago

Last stage in treatment of sewage is
O
Sterilization
o Evaporate
O
Chlorination
O
Aeration

Answers

Answered by ajaysinghalwar906

2

Answer:

chlorination

.. .. ... . .. .

Answered by saranyachini001

0

Answer:

Chlorination that's the answer

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