Combustion Quiz
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Questions and Answers

What is combustion?

  • A reaction that produces water and carbon dioxide
  • A high-temperature exothermic redox chemical reaction between a fuel and an oxidant (correct)
  • A reaction that only occurs in the absence of oxygen
  • A low-temperature endothermic reaction between a fuel and an oxidant
  • What is a flame in the context of combustion?

  • A product of the oxidant
  • A characteristic indicator of the reaction (correct)
  • A visible sign of the absence of oxygen
  • A result of incomplete combustion
  • What is the role of activation energy in combustion?

  • It is not required for combustion to occur
  • It must be supplied to initiate combustion (correct)
  • It is produced during the combustion process
  • It reduces the temperature of combustion
  • What happens to solid fuels like wood and coal during combustion?

    <p>They undergo endothermic pyrolysis to produce gaseous fuels</p> Signup and view all the answers

    What is the source of the heat required for combustion to be self-sustaining?

    <p>The combustion of gaseous fuels produced during pyrolysis</p> Signup and view all the answers

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