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Which of the following statements best explains the difference between a gas and a vapour?

Chemistry
WAEC 2018

Which of the following statements best explains the difference between a gas and a vapour?

  • A. Unlike gases, vapours are liquids at room temperature
  • B. Unlike gases, vapour can easily be condensed into liquids
  • C. Unlike gases, vapour is readily converted into solids
  • D. Vapours are generally denser than gases
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Correct Answer: Option B
Explanation

Vapour is the equilibrium state between the gases and liquid, and it can bounce back to its original form, liquid with constant temperature and pressure exerted on it.

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