In the purification of portable water the coagulant used is_________________? | MCQ Hive

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Q In the purification of portable water the coagulant used is_________________?

A A. Alum
B B. Nickel sulphate
C C. Copper sulphate
D D. Barium sulphate

Previous Which statement is wrong ?

Next Idea of pH and pOH was put forward by________________?

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