hydrochloric acid: see hydrogen chloride hydrogen chloride, chemical compound, HCl, a colorless, poisonous gas with an unpleasant, acrid odor. It is very soluble in water and readily soluble in alcohol and ether. It fumes in moist air. It is not flammable, and the liquid is a poor conductor of electricity.
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hydrochloric acid

or muriatic acid

Solution in water of hydrogen chloride (HCl), a gaseous inorganic compound. It is a strong acid, virtually completely dissociated (see dissociation) into hydronium cations (H₃O⁺) and chloride anions (Cl⁻), and is corrosive and irritating. The acid reacts with most metals, to produce hydrogen and the metal's chloride, and with oxides, hydroxides, and many salts. It is used extensively in industrial processing of metals and concentrating of some ores; in boiler scale removal, food processing, metal cleaning, and pickling; and as a chemical intermediate, laboratory reagent, and alcohol denaturant (see ethanol). Hydrochloric acid is present in the stomach's gastric juice and is involved in the devlopment of peptic ulcers.

hydrochloric acid

the colourless or slightly yellow aqueous solution of hydrogen chloride: a strong acid used in many industrial and laboratory processes

hydrochloric acid (redirected from Spirits of salt)

hydrochloric acid

hydrochloric acid
(redirected from Spirits of salt)