The two main gases that evolve from and anaerobic sludge digestion tan – McqOptions

MCQOPTIONS

1.	The two main gases that evolve from and anaerobic sludge digestion tank include
A.	Ammonia and Carbon dioxide
B.	Methane and hydrogen sulphide
C.	Carbon dioxide & methane
D.	Ammonia & methane
Answer» D. Ammonia & methane

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