Presence of non-biodegradable substances, like alkyl benzene sulphonat – McqOptions

MCQOPTIONS

1.	Presence of non-biodegradable substances, like alkyl benzene sulphonate (ABS) from the detergents in polluted water stream causes
A.	fire hazards.
B.	explosion hazards.
C.	persistent foam.
D.	depletion of dissolved oxygen.
Answer» D. depletion of dissolved oxygen.

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