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Subjects
Science State Board
Class 8
Heat
Effects of heat and Calorimetry
8.
Multiple choice answer - Change of phase
Exercise condition:
3
m.
Select the correct answer
:
1
.
Dry ice gives off carbon dioxide gas. This is an example of what phase change?
Sublimation
Melting
Condensation
Freezing
2
.
During a phase change, the temperature of a substance __________.
none of the above.
increases
does not change
decreases
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