Limited Time Offer: Get 2 Months of ABCmouse.com for only $5!

Chapter 24 Exam Review

Honors Physical Science Chapter 24 Exam Review
 
True/False
Indicate whether the statement is true or false.
 
____    1.          Increasing temperature always increases the solubility of a solute in a solvent.
 
____    2.         The type of solution depends on the state of the solute.
 
____    3.         The particles of any liquid are constantly moving.
 
____    4.         When water dissolves sugar, the positive ends of the water molecules are attracted to the negative ends of the sugar molecules.
 
____    5.         Particles of liquids and gases move much more freely than do particles of solids.
 
____    6.         The dissolving process for solid solutions occurs in a solid state.
 
____    7.         Salad oil dissolves readily in vinegar.
 
____    8.         Oil-based paints, nail polish, and iodine are examples of polar solutes.
 
____    9.         Water can be used to dissolve nonpolar molecules.
 
____    10.        Vitamin C has several oxygen-to-hydrogen bonds resembling those found in water, making Vitamin C polar.
 
____    11.        Nonpolar materials have separated positive and negative areas.
 
____    12.        In hydrocarbons, carbon and hydrogen atoms share electrons in a nearly equal manner.
 
____    13.        The concentration of a liquid solution can be expressed in terms of the percentage by volume of the solute.
 
____    14.        A drink advertised as having 10% fruit juice has a concentration of 100% by volume of the fruit juice.
 
Multiple Choice
Identify the choice that best completes the statement or answers the question.
 
____    15.        In a solution, the substance that is being dissolved is the ____.
a.
gas
c.
solute
b.
liquid
d.
solvent
 
 
____    16.        The oceans are an example of a(n) ____ solution.
a.
alloy
c.
liquid
b.
gaseous
d.
solid
 
 
____    17.        A solution that contains all of the solute it can hold at a given temperature is ____.
a.
diluted
c.
supersaturated
b.
saturated
d.
unsaturated
 
 
____    18.        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
 
 
____    19.        When a gas is dissolved in a liquid, the gas dissolves faster if the liquid is ____.
a.
cooled
c.
heated
b.
an electrolyte
d.
under low pressure
 
 
____    20.       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
 
 
____    21.        An alloy is an example of a ____ solution.
a.
dilute
c.
liquid
b.
gaseous
d.
solid
 
 
____    22.       Adding more solute to a solvent ____.
a.
decreases its boiling point
c.
increases its boiling point
b.
does not affect its boiling point
d.
increases its freezing point
 
 
____    23.       A molecule that is positively charged on one end and negatively charged on the other end is ____.
a.
a hydrocarbon
c.
polar
b.
nonpolar
d.
radioactive
 
 
____    24.       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.
density
d.
solubility
 
 
____    25.       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 decrease the temperature.
d.
Increase the pressure and increase the temperature.
 
 
____    26.       Which of the following will speed up the dissolving of a solid solute in water?
a.
Cool the solution.
c.
Grind up the solvent.
b.
Freeze the solute.
d.
Stir the solution.
 
 
____    27.       H3O+ units are also known as ____.
a.
hydrogen ions
c.
hydroxide ions
b.
hydronium ions
d.
hydroxyl groups
 
 
____    28.       A(n) ____ is a substance that produces H+ ions in a water solution.
a.
acid
c.
salt
b.
base
d.
alcohol
 
 
____    29.       A(n) ____ is a substance that produces OH- ions in a solution.
a.
acid
c.
salt
b.
base
d.
alcohol
 
 
____    30.       ____ measures how acidic or basic a substance is.
a.
An ester
c.
pH
b.
A base
d.
The hydronium ion
 
 
____    31.        ____ change color in the presence of an acid or a base.
a.
Acids
c.
Buffers
b.
Glycerins
d.
Indicators
 
 
____    32.       A ____ is a compound formed in solution from the negative ion of an acid and the positive ion of a base.
a.
detergent
c.
salt
b.
glycerin
d.
soap
 
 
____    33.       A bitter taste and a slippery feel are clues that a solution is probably a(n) ____.
a.
acid
c.
hydrate
b.
base
d.
salt
 
 
____    34.       Ammonia is a weak base because it produces ____ ions in solution.
a.
strong
c.
only a few
b.
weak
d.
many
 
 
____    35.       A base that only partly ionizes in a solution is a ____ base.
a.
concentrated
c.
strong
b.
dilute
d.
weak
 
 
____    36.       pH measures the ____ of hydronium ions in a solution.
a.
versatility
c.
strength
b.
neutralization
d.
concentration
 
 
____    37.       Coffee has a pH of about 5. Coffee is ____.
a.
extremely acidic
c.
somewhat acidic
b.
extremely basic
d.
somewhat basic
 
 
Completion
Complete each statement.
 
            38.       A crystal of solute was dropped into a solution, and it dissolved. The original solution was ____________________.
 
            39.       If a crystal of solute is dropped into a solution and other crystals appear, the solution was _________________________.
 
            40.       Stirring ____________________ the speed of dissolving of a solid in a liquid.
 
            41.        Stirring ____________________ the speed of dissolving of a gas in a liquid.
 
            42.       Decreasing temperature ____________________ the speed of dissolving for a gas in a liquid.

 
Honors Physical Science Chapter 24 Exam Review
Answer Section
 
TRUE/FALSE
 
           1.                    ANS:   F                    PTS:   1                     DIF:    B          OBJ:    7/3
STA:   PS2.1 CS1.2
 
           2.                    ANS:   F                    PTS:   1                     DIF:    A         OBJ:    1/1
STA:   PS2.1 CS1.2
 
           3.                    ANS:   T                    PTS:   1                     DIF:    B          OBJ:    2/1
STA:   PS2.1 CS1.2
 
           4.                    ANS:   F                    PTS:   1                     DIF:    A         OBJ:    2/1
STA:   PS2.1 CS1.2
 
           5.                    ANS:   T                    PTS:   1                     DIF:    B          OBJ:    2/1
STA:   PS2.1 CS1.2
 
           6.                    ANS:   F                    PTS:   1                     DIF:    A         OBJ:    2/1
STA:   PS2.1 CS1.2
 
           7.                    ANS:   F                    PTS:   1                     DIF:    B          OBJ:    4/2
STA:   PS2.1 CS1.2
 
           8.                    ANS:   F                    PTS:   1                     DIF:    B          OBJ:    4/2
STA:   PS2.1 CS1.2
 
           9.                    ANS:   F                    PTS:   1                     DIF:    B          OBJ:    4/2
STA:   PS2.1 CS1.2
 
           10.                  ANS:   T                    PTS:   1                     DIF:    A         OBJ:    4/2
STA:   PS2.1 CS1.2
 
           11.                   ANS:   F                    PTS:   1                     DIF:    B          OBJ:    5/2
STA:   PS2.1 CS1.2
 
           12.                  ANS:   T                    PTS:   1                     DIF:    B          OBJ:    5/2
STA:   PS2.1 CS1.2
 
           13.                  ANS:   T                    PTS:   1                     DIF:    B          OBJ:    8/3
STA:   PS2.1 CS1.2
 
           14.                  ANS:   F                    PTS:   1                     DIF:    B          OBJ:    8/3
STA:   PS2.1 CS1.2
 
MULTIPLE CHOICE
 
           15.                  ANS:   C                    PTS:   1                     DIF:    B          OBJ:    1/1
STA:   PS2.1 CS1.2
 
           16.                  ANS:   C                    PTS:   1                     DIF:    B          OBJ:    1/1
STA:   PS2.1 CS1.2
 
           17.                  ANS:   B                    PTS:   1                     DIF:    B          OBJ:    6/2
STA:   PS2.1 CS1.2
 
           18.                  ANS:   D                    PTS:   1                     DIF:    B          OBJ:    3/1
STA:   PS2.1 CS1.2
 
           19.                  ANS:   A                    PTS:   1                     DIF:    B          OBJ:    3/1
STA:   PS2.1 CS1.2
 
           20.                  ANS:   A                    PTS:   1                     DIF:    B          OBJ:    6/2
STA:   PS2.1 CS1.2
 
           21.                  ANS:   D                    PTS:   1                     DIF:    B          OBJ:    1/1
STA:   PS2.1 CS1.2
 
           22.                  ANS:   C                    PTS:   1                     DIF:    B          OBJ:    10/3
STA:   PS2.1 CS1.2
 
           23.                  ANS:   C                    PTS:   1                     DIF:    B          OBJ:    5/2
STA:   PS2.1 CS1.2
 
           24.                  ANS:   D                    PTS:   1                     DIF:    B          OBJ:    7/3
STA:   PS2.1 CS1.2
 
           25.                  ANS:   C                    PTS:   1                     DIF:    B          OBJ:    7/3
STA:   PS2.1 CS1.2
 
           26.                  ANS:   D                    PTS:   1                     DIF:    B          OBJ:    3/1
STA:   PS2.1 CS1.2
 
           27.                  ANS:   B                    PTS:   1                     DIF:    B          OBJ:    3/1
STA:   PS2.1 CS1.2
 
           28.                  ANS:   A                    PTS:   1                     DIF:    B          OBJ:    1/1
STA:   PS2.1 CS1.2
 
           29.                  ANS:   B                    PTS:   1                     DIF:    B          OBJ:    1/1
STA:   PS2.1 CS1.2
 
           30.                  ANS:   C                    PTS:   1                     DIF:    B          OBJ:    6/2
STA:   PS2.1 CS1.2
 
           31.                  ANS:   D                    PTS:   1                     DIF:    B          OBJ:    1/1
STA:   PS2.1 CS1.2
 
           32.                  ANS:   C                    PTS:   1                     DIF:    B          OBJ:    9/3
STA:   PS2.1 CS1.2
 
           33.                  ANS:   B                    PTS:   1                     DIF:    B          OBJ:    1/1
STA:   PS2.1 CS1.2
 
           34.                  ANS:   C                    PTS:   1                     DIF:    B          OBJ:    4/2
STA:   PS2.1 CS1.2
 
           35.                  ANS:   D                    PTS:   1                     DIF:    B          OBJ:    4/2
STA:   PS2.1 CS1.2
 
           36.                  ANS:   D                    PTS:   1                     DIF:    B          OBJ:    6/2
STA:   PS2.1 CS1.2
 
           37.                  ANS:   C                    PTS:   1                     DIF:    B          OBJ:    7/2
STA:   PS2.1 CS1.2
 
COMPLETION
 
           38.                  ANS:   unsaturated
 
PTS:   1                     DIF:    B                    OBJ:   6/2                 STA:   PS2.1 CS1.2
 
           39.                  ANS:   supersaturated
 
PTS:   1                     DIF:    B                    OBJ:   6/2                 STA:   PS2.1 CS1.2
 
           40.                  ANS:   increases
 
PTS:   1                     DIF:    B                    OBJ:   3/1                 STA:   PS2.1 CS1.2
 
           41.                  ANS:   decreases
 
PTS:   1                     DIF:    B                    OBJ:   3/1                 STA:   PS2.1 CS1.2
 
           42.                  ANS:   increases
 
PTS:   1                     DIF:    B                    OBJ:   3/1                 STA:   PS2.1 CS1.2
Get 2 Months for $5!