Sentence Examples


  • The disulphide, IrS2, is formed when powdered iridium is heated with sulphur and an alkaline carbonate.
  • Germanium compounds on fusion with alkaline carbonates and sulphur form salts known as thiogermanates.
  • Alkaline carbonates give precipitates of basic carbonates, the formation of which is also retarded by the presence of ammonium salts.
  • Heated with sulphuric acid and with nitric acid it is oxidized to boric acid, whilst on fusion with alkaline carbonates and hydroxides it gives a borate of the alkali metal.
  • On oxidation with chromic or nitric acids, or potassium permanganate, it yields nicotinic acid or (3-pyridine carboxylic acid, C 5 H 4 N CO 2 H; alkaline potassium ferricyanide gives nicotyrine, C10H10N2, and hydrogen peroxide oxynicotine, C10H14N20.
 

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