OUT_OF_THESE_WHICH_IS_NOT_USED_AS_A_CHEMICAL_COAGULANT??$ – McqOptions

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1.	OUT_OF_THESE_WHICH_IS_NOT_USED_AS_A_CHEMICAL_COAGULANT??$
A.	Alum
B.	Calcium chloride
C.	Ferric Chloride
D.	Poly Iron Chloride
Answer» E.

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