Q. State different types of chlorination processes available in Railway & market for disinfect ion of water. What type of chlorine used in the above different process. What do you understand by Residual Chlorine and how it is measured?
(1) What are the different methods of chlorination available for disinfection of water?
Indicate the form of chlorine use in each of them.
(2) What do you mean by and how do you check ‘residual chlorine''?