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NCERT 8th Class (CBSE) Science: Combustion and Flame – Quiz

NCERT 8th Class (CBSE) Science: Combustion and Flame – Quiz

32 Multiple Choice Questions related to NCERT 8th Class (CBSE) Science: Combustion and Flame – Quiz:

  • Combustion is the process in which a substance burns in air or oxygen to produce heat and light.
  • When a hydrocarbon fuel is burnt in a sufficient supply of air, carbon dioxide and water are produced. If the supply of air is insufficient, carbon monoxide is produced instead of carbon dioxide.
  • The lowest temperature at which a combustion substance starts burning in the presence of air is called its ignition temperature.
  • Conditions necessary for combustion are: presence of a combustible substance, presence of  a supporter of combustion and heating of the combustible substance to its ignition temperature.

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