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 -Which of the following is the example of derived proteins?Standard hydrogen electrode has an arbitrary fixed potential of?The process in which the orbitals of different energies and shape mix with each other to give equivalent hybrid orbitals is called?