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What gases are produced in anaerobic slu...

What gases are produced in anaerobic sludge digesters

A

Hydrogen Sulphide and `CO_2`

B

Methane and `CO_2` only

C

Methane, Hydrogen Sulphide and `CO_2`

D

Methane, Hydrogen Sulphide and `O_2`

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  13. During sewage treatment, biogases are produced which includes :

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  14. What gases are produced in anaerobic sludge digesters

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