Sentence Examples


  • It is a brown coloured powder which is stable in air, but gives a higher oxide when heated.
  • If an air-tight receptacle is not available, a small percentage of powdered carbon is added to the zinc-dust, to prevent increase in the amount of oxide, which, if present in excess, tends to make the deposit dull.
  • Half a century later, nitrous oxide came into use as an anesthetic.
  • The metal is chiefly used, as the oxide, for colouring glass and porcelain.
  • Metallic cobalt may be obtained by reduction of the oxide or chloride in a current of hydrogen at a red heat, or by heating the oxalate, under a layer of powdered glass.
 

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