Chapter 5:
Matter in Solution
Practice Test
1.
What happens when more solute is added to a saturated solution?
a.
The solution becomes unsaturated.
b.
The solution has to make more room for particles.
c.
There is less room for the particles in the solution.
d.
No more solute can dissolve.
Hint
2.
How do concentrated solutions differ from dilute solutions?
a.
Concentrated solutions contain more solute in a solvent than equal amounts of dilute solution.
b.
Concentrated solutions contain less solute in a solvent than equal amounts of dilute solution.
c.
Concentrated solutions contain more solvent than a dilute solution.
d.
Concentrated solutions contain more solution than a dilute solution.
Hint
3.
Which drink probably contains the most particles?
a.
a drink that contains 10 percent juice
b.
a drink that contains 90 percent juice
c.
a drink that contains 90 percent water
d.
a drink that contains 100 percent water
Hint
4.
How do shaking and stirring affect dissolution rate?
a.
The dissolution rate increases.
b.
The dissolution rate decreases.
c.
The dissolution rate is unaffected by shaking and stirring.
d.
The rate increases for dissolving and solid in a liquid, but decreases for dissolving a gas in a liquid.
Hint
5.
How is a colloid different than a suspension?
a.
Particles are homogeneous in a colloid, but heterogeneous in a suspension.
b.
Particles will scatter light in a suspension, but not in a colloid.
c.
Colloids are solutions, suspensions are not.
d.
Suspensions can be separated using filter paper, colloids can not.
Hint
6.
Which of the following correctly describes a solute and a solvent?
a.
A solute dissolves a solvent.
b.
A solute is dissolved in a solvent.
c.
A solvent is dissolved in a solute.
d.
All of the above
Hint
7.
What happens to the amount of oxygen dissolved in the ocean's surface as the water is warmed by Earth's atmosphere?
a.
The amount of oxygen in the water remains unchanged.
b.
The amount of oxygen in the water increases.
c.
The amount of oxygen in the water decreases.
d.
Fish in the water need oxygen to survive.
Hint
8.
Which of the following is an example of a colloid?
a.
vinegar
b.
water
c.
milk
d.
muddy water
Hint
9.
What is Richard Zsigmondy credited with inventing?
a.
colloids
b.
colored glass
c.
the ultramicroscope
d.
filter paper
Hint
10.
Which of the following statements about suspensions is correct?
a.
The particles in a suspension will not scatter light.
b.
The particles in a suspension settle upon standing.
c.
The particles in a suspension are homogeneous.
d.
All of the above
Hint
