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Sodium chloride is an inorganic ionic compound with the chemical formula NaCl. It is a colorless cubic crystal or fine crystalline powder with a salty taste. It looks like white crystals, and its source is mainly sea water, which is the main component of table salt. Easily soluble in water and glycerol, slightly soluble in ethanol and liquid ammoni a; insoluble in concentrated hydrochloric aci d. Impure sodium chloride deliquesces in the air. The stability is relatively good, and its aqueous solution is neutral. In industry, the method of electrolysis of saturated sodium chloride solution is generally used to produce hydrogen, chlorin e, sodium hydroxid e and other chemical products (generally known as the chlor-alkali industry). It can also be used for ore smelting (electrolysis Molten sodium chloride crystals produce active metallic sodium), which is used to prepare physiological saline in medicine and can be used as condiments in daily life.
