Where Does Salt Come From?
Salt is defined as two things really in terms of context. There is the salt as a white crystalline substance that gives seawater its taste and that is also used as seasoning for taste and preserving food. In chemistry, salt is defined as any chemical compound formed from the reaction of an acid with a base, with all or part of the hydrogen of the acid replaced by a metal or other cation.
Salt can come from evaporated ancient oceans. In Spain for example there are vast deposits of salt from evaporated ancient oceans. The eruption of volcanoes can also leave behind land masses that are very rich in salt.
Sea salt, the salt in the oceans, is the result of processes over billions of years. Volcanic gases in the atmosphere dissolve in water to create chloride, and both sodium and chloride rain into the oceans.
Table salt is refined and about 97% to 99% pure sodium chloride. Salt Lake City got its name from Great Salt Lake in Utah, which has all of that salt because it has no outlet.
Nature Facts: https://www.interestingfacts.org/category/nature-facts
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Nutrition Facts: https://www.interestingfacts.org/category/nutrition-facts
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