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Which of the statements about gases is not correct?

Chemistry
WAEC 2023

Which of the statements about gases is not correct?

  • A. Gases have low densities compared to solids and liquids of equal mass.
  • B. The total kinetic energy of the gas is not affected by collision
  • C. Molecules of the gas are in constant motion
  • D. Gases are highly soluble in water at high temperatures
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Correct Answer: Option D
Explanation

The statement that is not correct about gases is Gases are highly soluble in water at high temperatures.
Gases are not highly soluble in water at high temperatures. The solubility of gases in water decreases as the temperature increases. This is because the kinetic energy of the gas molecules increases as the temperature increases. The increased kinetic energy of the gas molecules makes it more difficult for them to be dissolved in water.


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WAEC May/June 2024 - Practice for Objective & Theory - From 1988 till date, download app now - 99995
Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
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WAEC offline past questions - with all answers and explanations in one app - Download for free
WAEC May/June 2024 - Practice for Objective & Theory - From 1988 till date, download app now - 99995
WAEC Past Questions, Objective & Theory, Study 100% offline, Download app now - 24709
Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts