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