Which substance is mostly used as coagulant to remove the suspended particles of raw water? A. Sodium chloride B. Washing Soda C. Alum D. Chile salt Peter Right Answer: C. Alum Share : December 13, 2017 Hassan Ali Chemistry Total 0 Votes: 0 0 Tell us how can we improve this Mcqs? Captcha: + = Verify Human or Spambot ? Related Mcqs Check Below -Ea appears as a potential energy hill between _________ for carrying out the reaction.The quality of raw water is improved by?Tertiary alcohols with acidified dichromate gives?