HYDROCHLORIC ACID

-(HC)); col_orie gas, liquefying under cold and pre ure, liquid boiling at —83°6 C.; when dry, inactive with metals; readily soluble in water, saturated solution at 15° C. having S.G. 1°21; solution called Muriatic Acid, Spirits of Salt; manu- -factured by strong sulphuric acid on common salt (see also ALKALI); com- ‘mercial a. is yellow and used for making bleaching powder and in soldering; forms chlorides. aS ‘ ae DROCAANIC ACID, PRUSSIC MECHANICS