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Chapter 3.3 Review (7th)
Test Description: Change of State.
Instructions: Answer all questions to get your test result.
1) Which has the most energy?
A
particles in liquid water
B
particles in freezing water
C
particles in steam
D
particles in ice
2) the change of a substance from a liquid to a gas
A
vapor pressure
B
boiling
C
boiling point
D
evaporation
3) The temperature at which a liquid boils
A
boiling
B
vapor pressure
C
evaporation
D
boiling point
4) The change from a solid directly to a gas is called
A
evaporation
B
melting
C
sublimation
D
boiling
5) The temperature of a beaker of water is 25°C. After adding a piece of magnesium, the temperature is 28°C. Is this an exothermic or endothermic reaction? Explain your answer.
A
endotheremic
B
exothermic
6) The change of a liquid to a vapor, or gas, throughout the liquid
A
evaporation
B
condensation
C
boiling
D
boiling point
7) The change of a substance from one physical form/state to another
A
change of state
B
chemical change
C
change of form
D
change of property
8) The change of state from a gas to a liquid
A
evaporation
B
condensation
C
melting
D
sublimation
9) Boiling occurs only at the surface of a liquid.
A
true
B
false
10) Evaporation is simply a liquid changing to a gas.
A
true
B
false
*select an answer for all questions
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