Sentence Examples


  • Half a century later, nitrous oxide came into use as an anesthetic.
  • As prepared by the reduction of the oxide it is a grey powder.
  • The metal is chiefly used, as the oxide, for colouring glass and porcelain.
  • Cobalt monoxide, CoO, is prepared by heating the hydroxide or carbonate in a current of air, or by heating the oxide C0304 in a current of carbon dioxide.
  • Heated at 190-300° in a current of hydrogen it gives the oxide C0304, while at higher temperatures the monoxide is formed, and ultimately cobalt is obtained.