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