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Question
In anaerobic digestion system which of the following statement holds good?
Options:
A .  Acids are necessary to be added to make the pH neutral
B .  Alkalines are necessary to be added to make the pH neutral
C .  A flocculant is to be added to bring about flocculation
D .  A coagulant is necessary to be added in order to bring about coagulation
Answer: Option B
Answer: (b).Alkalines are necessary to be added to make the pH neutral
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