Liquids Answers

8 verified answers
1
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What force in liquids causes surface tension?

A
covalent forces
B
intermolecular forces
C
intramolecular forces
D
ionic forces
2
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A student places a small amount of water in a glass dish and then carefully places a small paperclip on the surface of the water. The paperclip floats. What happens if the student adds a drop or two of dish soap to the water? Check all that apply.

A
The paperclip falls through the water to the bottom of the dish.
B
The soap acts as a surfactant.
C
The soap increases the surface tension of the water.
D
The soap decreases the surface tension of the water.
3

Pure maple syrup has a high sugar content. Its composition is 70% sucrose (CHO). If you heat maple syrup what will happen to its viscosity?

Question illustration
A
It will decrease.
B
It will increase.
C
It will have no effect.
D
It will separate the sugar from the other ingredients.
5

What force in liquids causes surface tension?

A
covalent forces
B
intermolecular forces
C
intramolecular forces
D
ionic forces
6

A student places a small amount of water in a glass dish and then carefully places a small paperclip on the surface of the water. The paperclip floats. What happens if the student adds a drop or two of dish soap to the water? Check all that apply.

A
The paperclip falls through the water to the bottom of the dish.
B
The soap acts as a surfactant.
C
The soap increases the surface tension of the water.
D
The soap decreases the surface tension of the water.
8

Consider a mixture of oil and water. What terms would you use to describe this mixture? Check all that apply.

A
heterogeneous
B
homogeneous
C
immiscible
D
miscible

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