Brackish water which contains mostly dissolved salt, can be purified by the __________________ process?
Correct answer: A. Reverse osmosis
- A. Reverse osmosis
- B. Sand filter
- C. Lime soda
- D. Permutit
Explanation
Reverse osmosis uses pressure to force water through a semipermeable membrane while rejecting dissolved salts. Sand filtration removes suspended solids, but it cannot effectively desalinate brackish water.
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