Common salt is produced from sea water in India generally by the ________________ method?
Correct answer: B. Solar evaporation
- A. Freeze drying
- B. Solar evaporation
- C. Electrolytic
- D. None of these
Explanation
Sea water is spread in shallow salt pans, where solar heat evaporates water and leaves sodium chloride crystallised. This natural evaporation process is called solar evaporation.
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