identify acid and base from which sodium chloride is obtained. which type of salt is it ? ehen is it called rock salt ? how is rock salt formed .
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Sodium chloride is a neutral salt as its constituent acid and base both are strong. It is called rock salt when it is found in form of crystals and it is then mined like coal. Rock salt is formed by the crystallisation of sodium chloride (common salt). It is darker in colour due to impurities.
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