IPC 9B: Properties of Solutions (Ch. 23)
Multiple Choice
Identify the
letter of the choice that best completes the statement or answers the question.
|
|
|
1.
|
Increasing
the surface area of a solid ____. a. | speeds the rate of solution | c. | has no effect on the rate of solution | b. | slows the rate of
solution | d. | causes the solid to
ionize | | | | |
|
|
|
2.
|
A substance
that does NOT conduct an electric current when it forms a solution is a(n) ____. a. | nonelectrolyte | c. | electrolyte | b. | liquid | d. | solid | | | | |
|
|
|
3.
|
The amount
of solute that can be dissolved in a specific amount of solvent at a given temperature is its
____. a. | concentration | c. | dilution | b. | solubility | d. | density | | | | |
|
|
|
4.
|
A solution
that contains all of the solute it can hold at a given temperature is ____. a. | saturated | c. | diluted | b. | unsaturated | d. | supersaturated | | | | |
|
|
|
5.
|
A molecule
that is positively charged on one end and negatively charged on the other end is
____. a. | a
hydrocarbon | c. | radioactive | b. | polar | d. | nonpolar | | | | |
|
|
|
6.
|
When a gas
is dissolved in a liquid, the gas dissolves faster if the liquid is ____. a. | cooled | c. | under low
pressure | b. | an electrolyte | d. | heated | | | | |
|
|
|
7.
|
Which of the
following combinations would increase the solubility of a gas in a liquid? a. | Decrease the pressure
and decrease the temperature. | b. | Decrease the pressure and increase the
temperature. | c. | Increase the pressure and increase the
temperature. | d. | Increase the pressure and decrease the
temperature. | | |
|
|
|
8.
|
In a
solution, the substance that is being dissolved is the ____. a. | solute | c. | solvent | b. | gas | d. | liquid | | | | |
|
|
|
9.
|
Adding more
solute to a solvent ____. a. | does not affect its boiling point | c. | increases its boiling point | b. | increases its freezing
point | d. | decreases its boiling
point | | | | |
|
|
|
10.
|
Which of the
following will speed up the dissolving of a solid solute in water? a. | Freeze the
solute. | c. | Stir the
solution. | b. | Grind up the solvent. | d. | Cool the solution. | | | | |
|
|
|
11.
|
The oceans
are an example of a(n) ____ solution. a. | alloy | c. | liquid | b. | solid | d. | gaseous | | | | |
|
|
|
12.
|
The
concentration of solution that contains a large amount of solute in the solvent could be described as
____. a. | concentrated | c. | polar | b. | diluted | d. | unsaturated | | | | |
|
|
|
13.
|
An alloy is
an example of a ____ solution. a. | gaseous | c. | dilute | b. | solid | d. | liquid | | | | |
|
|
|
14.
|
The process
by which the positive and negative ions of a crystalline solid separate in water is called
____. a. | dissociation | c. | saturation | b. | ionization | d. | solution | | | | |
|