Chemistry
WAEC 2018
Which of the following statements best explains the difference between a gas and a vapour?
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A.
Unlike gases, vapours are liquids at room temperature
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B.
Unlike gases, vapour can easily be condensed into liquids
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C.
Unlike gases, vapour is readily converted into solids
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D.
Vapours are generally denser than gases
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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