Sentence Examples


  • Pure aniline is a basic substance of an oily consistence, colourless, melting at - 8° and boiling at 184° C. On exposure to air it absorbs oxygen and resinifies, becoming deep brown in colour; it ignites readily, burning with a large smoky flame.
  • It oxidizes on heating in air, and ignites in chlorine; on solution in mineral acids it yields ferrous and ammonium salts, hydrogen being liberated.
  • A red-hot iron rod may also be used to set off the magnesium, which in turn ignites the thermit.
  • It burns when heated in dry air, and ignites in moist air; it is decomposed by water, giving caustic soda and hydrogen.
  • Heated in contact with air to a temperature of 480° C., acetylene ignites and burns with a flame, the appearance of which varies with the way in which it is brought in contact with the air.
 

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