How is salt obtained from another salt?
Answers
Answer. Sea water contains a large amount of common salt and the salts of other metals dissolved in it. Near the sea-shore, the sea water is collected in shallow pits and allowed to evaporate in sunshine. In a few days, the water evaporates, leaving behind salt. The salt so obtained is collected and transported to big factories, where it is purified and packed for consumtions
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Salt can be extracted from the Sea or from underground salt deposits. The mineral-rich sea water is evaporated in flat bases to get salt. Usually the heat energy of the sun as required for this. The hard rock salt, stored deep inside the surface of the Earth, is either blasted from rock or washed out from the rock. For washing out from the rocks, deposit is drilled several times and water is formed in night some places. This water gets enriched with the salt present in rocks and forms a salty solution called brine. The brine is pumped out to the surface where the water gets evaporated and what remains behind is pure common salt.