_ In water treatment, alum[Al2(SO‚Äö√á√ë)3] is used for the – McqOptions

MCQOPTIONS

1.	_ In water treatment, alum[Al2(SO‚Äö√á√ë)3] is used for the process of$?
A.	Filtration
B.	Coagulation
C.	Sedimentation
D.	Disinfection
Answer» C. Sedimentation

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