Separation of fresh water from sea water can be done by the _______________ operation ?
Correct answer: B. Reverse osmosis
- A. Osmosis
- B. Reverse osmosis
- C. Absorption
- D. Adsorption
Explanation
Reverse osmosis uses pressure greater than the osmotic pressure to force water through a semipermeable membrane while retaining most dissolved salts. Ordinary osmosis proceeds in the opposite direction and does not desalinate seawater.
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