colourless corrosive poisonous liquid, HNO3 ... Nitric acid may be prepared in laboratory by the distillation of a mixture of an alkali-metal nitrate and concentrated sulphuric acid. The industrial production is by the oxidation of ammonia to nitrogen monoxide, the oxidation of this nitrogen dioxide, and the reaction of nitrogen dioxide with water to form nitric acid and nitrogen monoxide ... Nitric acid is generally stored in dark brown bottles because of the photolytic decomposition to dinitrogen tetroxide., HNO3, tugev ühealuseline hape; värvuseta vedelik, ... seda saadakse ammoniaaki õhuhapnikuga katalüütiliselt oksüdeerides ...