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During sewage treatment, biogases are pr...

During sewage treatment, biogases are produced which includes :

A

methane, hydrogensulphide, carbon dioxide

B

methane, oxygen, hydrogensulphide

C

hydrogensulphide, methane, sulphur dioxide

D

hydrogensulphide, nitrogen, methane

Text Solution

Verified by Experts

The correct Answer is:
A
During sewage treatment in secondary treatment the biogas is produced in anaerotric sludge digestor have anaerobic bacteria which produce gases like `CO_(2), H_(2)S, CH_(4)`
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