States of Matter
Practice Test
1.
Which of the following is the general definition of a liquid?
a.
Matter that has a fixed volume but no fixed shape.
b.
Matter that has neither a fixed volume nor a fixed shape.
c.
Matter that has a fixed volume and a fixed shape.
d.
Matter that has a fixed shape but no fixed volume.
2.
The boiling points of the halogens increase in the order F
2
< Cl
2
< Br
2
< I
2
due to an increase in ____________.
a.
hydrogen bonding
b.
ionic interactions
c.
permanent dipoles
d.
dispersion forces
3.
The measure of the average kinetic energy of the particles in a sample of matter is _____.
a.
heat
b.
speed
c.
temperature
d.
velocity
4.
The point on a phase diagram where the solid state, the liquid state, and the gas vapor state can coexist is _________.
a.
the triple point
b.
the critical point
c.
the pressure point
d.
the absolute zero point
5.
Which of the following illustrates effusion of a gas?
a.
Fragrance of cologne is present in a room in which none has been used.
b.
A tire deflates after being punctured by a nail.
c.
A dog follows a scent during a search and rescue mission.
d.
Cooking aromas from the kitchen can be detected by a person on the front porch.
6.
Which molecule will not undergo hydrogen bonding?
a.
HF
b.
CH
4
c.
NH
3
d.
H
2
O
7.
Which of the following materials has the highest density?
a.
water vapor
b.
steam
c.
liquid water
d.
ice
8.
Which of the following phase changes will release energy during the transition?
a.
vaporization
b.
melting
c.
condensation
d.
sublimation
9.
Which of the following molecules can form hydrogen bonds?
a.
BaH
3
b.
CH
3
c.
NH
3
d.
NaH
3
10.
According to the phase diagram for CO
2
, what is the critical point for carbon dioxide?
a.
-100
b.
-78
c.
-45
d.
31
11.
Which of the following is an ionic solid?
a.
graphite
b.
ammonium chloride
c.
dry ice (solid carbon dioxide)
d.
nickel
12.
One atmosphere is equal to ____________.
a.
760 mm Hg
b.
1 cm Hg
c.
760 cm Hg
d.
1 mm Hg
13.
The curved shape of water in a glass pipette is an example of _________.
a.
viscosity
b.
compression
c.
adhesion
d.
cohesion
14.
Which of the following is the general definition of a gas?
a.
Matter with a fixed volume and a fixed shape.
b.
Matter with a fixed shape but no fixed volume.
c.
Matter with a fixed volume but no fixed shape.
d.
Matter with no fixed volume and no fixed shape.
15.
In a polar molecule, which atom will have the greatest partial negative charge?
a.
the least electronegative atom
b.
the most electronegative atom
c.
the smallest atom
d.
the largest atom
16.
In a balloon filled with air (about 80% nitrogen and 20% oxygen), the pressure in the balloon is primarily ___________________________.
a.
zero
b.
the sum of the pressures exerted by nitrogen and oxygen
c.
the pressure exerted by oxygen
d.
the pressure exerted by nitrogen
17.
The phase change that describes the direct conversion of a solid into a gas is _______.
a.
melting
b.
sublimation
c.
vaporization
d.
deposition
18.
Which of the following solids is a metallic solid?
a.
nickel
b.
graphite
c.
iodine
d.
sulfur
