Select the inappropriate statement about Chlorination of water
Chlorine best act at pH 7.2 of water
The minimum recommended concentration of free chlorine is 0.5 mg/L for one hour
Hypochlorous acid play main role in disinfection
Chloroscope instrument is used to measure residual chlorine
Chlorine best act at as a a disinfectant when the pH of water is7 because of predominance of Hypochlorous acid. 2.5mg bleaching powder can disinfect 1000 L of water. Chlorine has no effect on spores, cyst, ova, Hep. A, Polio virus, cyclopes. Remaining all options given are true.
Water