Alum [Al2(SO‚Äö√á√ë)‚Äö√á√â] is used as a coagulan – McqOptions

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1.	Alum [Al2(SO‚Äö√á√ë)‚Äö√á√â] is used as a coagulant in water treatment to remove$
A.	Colour
B.	Turbidity
C.	Bacteria
D.	All of the above
Answer» E.

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