Which of the follwing treatments reduce salinity of water?

1. Flash mixing and sedimentation

2. Electrodialysis

3. Reverse osmosis

4. Freezing

5. Filtration

Sleect the correct answer using the codes given below.

Codes:

- 1
  
  1, 2, 3, 4 and 5
- 2
  
  2, 3 and 4
- 3
  
  1, 3 and 5
- 4
  
  1. 2 and 4

Display Comments

Leave a comment

Login at first then you can submit comment. Click here to login.