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1. |
Which of the following treatments reduce salinity of water1. Flash mixing and sedimentation2. Electrodialysis3. Reverse osmosis4. Freezing5. FiltrationSelect the correct answer using the codes given below: |
A. | 1, 2, 3, 4 and 5 |
B. | 2, 3 and 4 |
C. | 1, 3 and 5 |
D. | 1, 2 and 4 |
Answer» C. 1, 3 and 5 | |