The quality of raw water is improved by? A. Reduction B. Dehydration C. Aeration D. Incineration Right Answer: C. Aeration 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 ester is used as orange flavor?. In laboratory the decomposition of hydrogen peroxide is carried out best by using _____ catalyst.Which one of the following is not affect of acid rain?