The coagulant used for water treatment is:

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The coagulant used for water treatment is:

AAlum

BLime

CBleaching Powder

DActivate of Carbon

Answer:

A. Alum

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ഏറ്റവും പുതിയ മോട്ടോർ വാഹന നിയമം ഏതു വർഷമാണ് നിലവിൽ വന്നത്?