For purifying drinking water alum is used


Options: for coagulation of mud particles,    to kill bacteria,    to remove salts,    to remove gases

Ans:A,A


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Asked in: KCC-2018   |   JOA 556-2018  |  HRTC JTO-2017

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When is the Haryana Day?
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Unlike other parts of the Indian Coast, fishing industry has not developed along the Saurashtra coast because
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