Question 1
The liquid level in a thermometer rises when the thermometer is placed in hot water.
What causes this?
A
The liquid contracts.
B
The liquid evaporates.
C
The liquid expands.
D
The liquid freezes.
Question 2
[Maximum number: 1]
A solid and a gas are each given the same increase in temperature. The gas is kept at a constant pressure.
Which row is correct?
the one which
expands most
the reason
the gas
molecules in the gas each expand
more than the solid molecules
the gas
the molecules in the solid
are held strongly together
the solid
molecules in the solid each expand
more than the gas molecules
the solid
all the molecules in the gas are
separate from one another
B
Question 3
[Maximum number: 1]
Equal volumes of solids and liquids experience different changes of volume when they are heated through the same temperature range.
What is the reason for this?
A
The average increase in separation of the particles in a liquid is greater than the average increase in separation of those in a solid.
B
The average increase in separation of the particles in a liquid is less than the average increase in separation of those in a solid.
C
The particles in liquids expand by less than those in solids.
D
The particles in liquids expand by more than those in solids.
A
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