common salt is obtained from sea water by the process of evaporation but its purification is done by-
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Sea water is trapped in large, shallow pools and allowed to stand there. The sun's heat evaporates the water slowly and common salt is left behind. This impure common salt obtained has impurities and is hence purified to obtain pure common salt by recrystallization.
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Answer:
Sea water is trapped in large, shallow pools and allowed to stand there. The sun's heat evaporates the water slowly and common salt is left behind. This impure common salt obtained has impurities and is hence purified to obtain pure common salt by recrystallization.
Explanation:
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