Disinfect Water in Sewage Treatment
CMAT 2018 · GK · Easy · General Knowledge
Which of the following gas/es is/are used to disinfect water in sewage treatment facilities?
- A.
Ozone
- B.
Chlorine
- C.
Nitrogen
- D.
Ozone and chlorine
Practise this under exam conditions
Sign in to solve it with a live timer, the on-screen CAT calculator, and streak and accuracy tracking across every question you attempt.
Solve in the workspace