__________ is the application of chlorine at two or more points in the purification process. Options: A . &nbspPlain chlorination B . &nbspPre chlorination C . &nbspSuper chlorination D . &nbspDouble chlorination

__________ is the application of chlorine at two or more points in the purificat

Question

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

Options:

A . Plain chlorination

B . Pre chlorination

C . Super chlorination

D . Double chlorination

Answer: Option D
Answer: (d).Double chlorination

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Question 1. The normal dose of chlorine during break point chlorination is ____________....

Question 2. Which of the following regarding break point chlorination is wrong?....

Question 3. The process of removal of excess chlorine from water is ____________....

Question 4. Which color is formed when orthotolidine is oxidized by chlorine?....

Question 5. _______ is the application of chlorine beyond the stage of the break point.....

Question 6. Which type of chlorine is represented by the green line as shown in the following figure?....

Question 7. Which of the following is wrong regarding disinfection?....

Question 8. Which water treatment process is done after filtration of water?....

Question 9. Which type of chlorine is represented by the red line as shown in the following figure?....

Question 10. Boiling of water is a _____ method of disinfection.....

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