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Combustion

  • Game Code: 1699799
  •  English    10     Public
    class 8
  •   Study   Slideshow
  • A chemical process in which a substance reacts with oxygen to give off heat is called
    Combustion
  •  5
  • The lowest temperature at which a substance catches fire
    ignition temperature
  •  5
  • The substances which have very low ignition temperature and can easily catch fire with a flame
    inflammable substances
  •  5
  • The types of combustion
    rapid combustion, spontaneous combustion, explosion
  •  5
  • The amount of heat energy produced on complete combustion of 1 kg of a fuel is called
    calorific value
  •  5
  • Zones of flame
    Outer, middle and inner
  •  5
  • The calorific value of a fuel is expressed in a unit
    kilojoule per kg (kJ/kg)
  •  5
  • Incomplete combustion of a fuel gives poisonous ________ gas
    carbon monoxide
  •  5
  • Increased percentage of carbon dioxide in air has been linked to
    global warming
  •  5
  • Fire produced by oil cannot be controlled by_______.
    Water
  •  5
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