The Best Explanation for the Existence of a Meniscus Observed

question 40

Multiple Choice

The best explanation for the existence of a meniscus observed when water is placed in a glass tube of small diameter is

• A) the attractive forces between the water molecules and the walls of the container are greater than the attractive forces between the water molecules.
• B) the hydrogen bonds between water molecules are greater than the attractions between the water molecules and the walls of the container.
• C) the viscosity of the water is greater than the viscosity of the glass.
• D) surface tension of the water causes it to "bead up" inside the container.
• E) the molecules are forced closer together because of London forces.

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Definitions:

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An economic system in which private business operates in competition and largely free of state control, with the right to buy, sell, and conduct business.