Which of the Following Statements Regarding the Solubility of Oxygen

question 43

Multiple Choice

Which of the following statements regarding the solubility of oxygen in water is incorrect?

• A)Water in contact with air contains a small amount of dissolved oxygen.
• B)When water is heated, the first tiny bubbles that you see escaping from the warm water contain N₂ and O₂.
• C)In warm weather, fish must come to the surface more often than in cool weather to get oxygen, since there is less dissolved oxygen in the water than in cooler weather.
• D)If a sealed container has both oxygen and water, changing the pressure of the oxygen above the water will have no effect on the solubility of the oxygen in the water.
• E)An increase in temperature causes an increase in the kinetic energy of the molecules in a solution, allowing dissolved oxygen molecules to escape the solution more readily.

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