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Review 1.A.3
Test Description: Review Objective 1.A.3
Instructions: Answer all questions to get your test result.
1) During a phase change, temperature _________.
A
increases
B
stays the same
C
all of these
D
decreases
2) When you heat a liquid, the particles ________.
A
move slower
B
grow
C
move faster
D
shrink
3) When you cool a solid, the particles _______.
A
move slower
B
shrink
C
move faster
D
grow
4) When adding heat to a substance as it melts, the energy is used to _____
A
slow down particles
B
increase intermolecular forces
C
speed up particles
D
overcome intermolecular forces
5) The force being exerted by a gas over a liquid best describes which property of matter?
A
boiling point
B
vapor pressure
C
melting point
D
surface tension
6) Certain insects are able to walk on water because of this property of water
A
low vapor pressure
B
high surface tension
C
high vapor pressure
D
low surface tension
7) Adding another substance to a pure liquid (like adding dish soap to water) will do this to the surface tension
A
have no effect
B
make it stronger
C
make it weaker
8) Increasing the temperature of a liquid will have this effect on its vapor pressure
A
increase
B
no effect
C
decrease
9) Which of the following best explains why road crews use salt on icy and snowy roads in the winter?
A
The salt combines with the ice and creates a new substance
B
The salt is ground into the ice and causes it to crack
C
The salt lowers the freezing point of water and makes it easier to melt
D
The salt heats up the ice and makes it melt
10) As you go from top to bottom among non-metals on the periodic table reactivity does what?
A
increase
B
stays the same
C
decrease
11) What can you infer about intermolecular forces of substances that have a higher melting points?
A
decrease
B
stays the same
C
increase
12) As you go from top to bottom among metals on the periodic table reactivity does what?
A
they are the same
B
they are weaker
C
they are stronger
*select an answer for all questions
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