Combustion and Fuels Quiz
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Questions and Answers

Which of the following is considered a combustible substance?

  • Sand
  • Soil
  • Wood (correct)
  • Water

    • Kerosene is a non-combustible substance.

    False

    What are the essential requirements for combustion?

    Fuel, air (to provide oxygen), and ignition temperature

    The lowest temperature at which a substance catches fire is known as its __________ temperature.

    <p>ignition</p> Signup and view all the answers

    Match the following fuels with their common uses:

    <p>LPG = Used in homes for cooking Petrol = Used in automobiles Kerosene = Used for heating and lamps Diesel = Used in heavy vehicles</p> Signup and view all the answers

    What gas is produced when concentrated sulphuric acid reacts with potassium bicarbonate?

    <p>Carbon Dioxide</p> Signup and view all the answers

    Which of the following describes how water controls fire?

    <p>It cools the combustible material and cuts off oxygen supply.</p> Signup and view all the answers

    What materials were used for the modern safety match head?

    <p>Antimony trisulfide and potassium chlorate</p> Signup and view all the answers

    Water is always the most effective fire extinguisher in all fire

    <p>False</p> Signup and view all the answers

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