Q. The chlorine, which serves as a disinfectant is ___________

View solution

Q. The permissible limit of free residual chlorine is ___________

View solution

Q. What is the chemical formula of bleaching powder?

View solution

Q. Bleaching powder contains ______ of available chlorine.

View solution

Q. The process of chlorination with hypochlorites is called ___________

View solution

Q. Normally, the ratio of ammonia and chlorine in chloramine is?

View solution

Q. Which type of chloramine is formed when pH of water is 4.4?

View solution

Q. What is the contact period for disinfection with chloramine?

View solution

Q. The normal dose of chlorine during plain chlorination is ___________

View solution

Q. The normal dose of chlorine during pre chlorination is ___________

View solution

Q. The normal dose of chlorine during post chlorination is ___________

View solution

Q. In which form of chlorination, chlorine applies to raw water supply as it enters the distribution system?

View solution

Q. _________ is the application of chlorine before filtration.

View solution

Q. __________ is the application of chlorine at two or more points in the purification process.

View solution

Q. The normal dose of chlorine during break point chlorination is ____________

View solution

Q. Which of the following regarding break point chlorination is wrong?

View solution

Q. _______ is the application of chlorine beyond the stage of the break point.

View solution

Q. The process of removal of excess chlorine from water is ____________

View solution

Q. Which color is formed when orthotolidine is oxidized by chlorine?

View solution

Q. When turbidity in water increases, the efficiency of chlorine?

View solution