… THEREOF (1) Morphine* , present in opium; colourless crystals; a powerful narcotic; very poisonous. (2) … (3) Diacetylmorphine (heroin), crystalline white powder; used as a sedative in place of …
… of hydrogen chloride with ammonia. It may be in crystalline masses or in powder, flowers or cakes obtained … or hydrated with, for example, 4 H 2 O (green or bluish crystals); or may be in green aqueous solutions. Oxidises in … (12) Chromium chlorides . (a) Chromous chloride (CrCl 2 ). Needle‑shaped crystals or azure‑blue solutions. …
… or hydrated state as a powder or in large transparent crystals, efflorescing in the air and dissolving in water … in white crystals, soluble in water, which can either be crumbly and easily scratched with a fingernail or hard and …