Rapid gravity filter can only remove turbidity of water upto – McqOptions

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1.	Rapid gravity filter can only remove turbidity of water upto
A.	15 to 25 gm/litre
B.	25 to 30 gm/litre
C.	30 to 35 cm/litre
D.	35 to 40 gm/litre
E.	50 gm/litre.
Answer» E. 50 gm/litre.

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