In a biogas plant, pH of the slurry is kept between: – McqOptions

MCQOPTIONS

1.	In a biogas plant, pH of the slurry is kept between:
A.	4.5-5.5
B.	5.5-6.5
C.	6.5-8.5
D.	8.5-10.5
Answer» D. 8.5-10.5

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