Good quality of edible salt is obtained from brine by the process of__________________?
Correct answer: C. Vacuum evaporation
- A. Solar evaporation
- B. Freeze drying
- C. Vacuum evaporation
- D. Electrolysis
Explanation
Vacuum evaporation removes water from brine at reduced pressure, giving better control and producing purer salt than solar evaporation, which can allow more impurities to remain. Freeze drying and electrolysis are not normal salt-recovery methods.
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