Home » water pollution mcqs » When Chloride is added to sewage both at the beginning as well as at the end of the treatment process, the phenomenon is called Water Pollution MCQs When Chloride is added to sewage both at the beginning as well as at the end of the treatment process, the phenomenon is called September 21, 2022 446 Views Q. When Chloride is added to sewage both at the beginning as well as at the end of the treatment process, the phenomenon is called: Post chlorinationSuper chlorinationSplit chlorinationNone of these Answer: Split chlorination