Water Treatment problems
- 1. Calgon is used for removal of
Options- A. sodium carbonate
- B. permanent hardness of water
- C. potassium carbonate
- D. none of these Discuss
Correct Answer: permanent hardness of water
- 2. Which of the following physical method is used as germicidal in modern time for the treatment of drinking water?
Options- A. Chlorination
- B. Treating with potassium permagnate
- C. UV radiation
- D. Treating with bleaching powder Discuss
Correct Answer: UV radiation
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