Composition of Air: Mixture of Gases
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Questions and Answers

Which gas supports combustion?

  • Helium
  • Carbon dioxide
  • Nitrogen
  • Oxygen (correct)

    • During the rainy season, what increases in the air?

  • Carbon dioxide content
  • Nitrogen content
  • Pollutants like smoke and dust
  • Water vapour (correct)

    • Which gas is chemically bonded to another gas in the air?

  • Nitrogen and oxygen
  • Oxygen and carbon dioxide (correct)
  • Neon and argon
  • Helium and argon

    • Which gas does not support combustion?

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

    What happens to the composition of air during the rainy season?

    <p>The percentage of water vapour increases</p> Signup and view all the answers

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