Combustion and Flames
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Questions and Answers

What is the lowest temperature at which a combustible substance catches fire when heated in air called?

  • Ignition temperature (correct)
  • Inflammation temperature
  • Combustion temperature
  • Flame temperature
  • What are substances called that have very low ignition temperatures and can easily catch fire with a flame?

  • Inert substances
  • Combustible substances
  • Non-combustible substances
  • Flammable substances (correct)
  • What do we need for the generation of fire?

  • Fuel, heat, and carbon dioxide
  • Fuel, heat, and oxygen (correct)
  • Fuel, flame, and oxygen
  • Fuel, flame, and carbon dioxide
  • What are the different zones of a candle flame?

    <p>Outer zone, inner zone, and core zone</p> Signup and view all the answers

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