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20 questions
The change in state from liquid to gas is called
vaporization
sublimation
condensation
deposition
What is the boiling point of water?
212°C
100°C
32°C
0°C
A substance's melting point is the same as its
freezing point.
condensation point.
boiling point.
Sublimation (changing from a solid directly to a gas) is a chemical change. (True or False)
False
True
On a hot, humid summer day drops of water form on a can of cold soda. What process caused this to happen?
condensation
freezing
vaporization
deposition
It rained yesterday, but today there are no puddles left on the ground. What process caused this to happen?
condensation
vaporization
sublimation
deposition
During the process of sublimation
a solid turns directly into a gas
a liquid turns to a gas
a solid turns into a liquid
a gas turns directly into a solid
Melting is a process that changes _____________________________.
solid to liquid
liquid to solid
liquid to gas
gas to liquid
What two changes of state occur when thermal energy is added to/increased in a substance?
Melting
Freezing
Condensation
Evaporation
What two changes of state occur when thermal energy is taken away/decreased in a substance?
Freezing
Condensation
Melting
Evaporation
When a substance changes from a liquid to a gas, this is called...
Melting
Evaporation
Condensation
Freezing
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