In water treatment, alum[Al 2 (SO 4 ) 3 ] is used for the process of – McqOptions

MCQOPTIONS

1.	In water treatment, alum[Al 2 (SO 4 ) 3 ] is used for the process of
A.	filtration
B.	coagulation
C.	sedimentation
D.	disinfection
Answer» C. sedimentation

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