AnswersTX-Integrated Physics and Chemistry A-CRUnit Test

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A cylinder at left with balls evenly spaced throughout the cylinder with an arrow leading to a cylinder at right with balls stacked near the bottom of the cylinder.

Question illustration
A
condensation
B
deposition
C
boiling
D
freezing
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What happens during evaporation?

A
A liquid changes to a gas.
B
A liquid changes to a solid.
C
A gas changes to a liquid.
D
A solid changes to a liquid.
23

Which best explains why making a pancake from batter is an example of a chemical change?

A
The pancake that forms is a different state of matter.
B
The change from batter to pancake can be reversed.
C
A new substance forms when the batter is cooked.
D
The batter changes shape when it is cooked.
24

Jenna took an open bowl of leftover mashed potatoes from the refrigerator and noticed a difference in smell. She determined that chemical changes occurred since the potatoes were first placed there.

A
a change of odor
B
a decrease in temperature
C
a change in moisture content
D
a decrease in mass
25

Which liquid is the most viscous?

A
syrup
B
water
C
milk
D
apple juice

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