Chapter 15:
Acids and Bases React
Practice Test
1.
What acid reacts with sodium hydroxide to form the salt sodium sulfite?
a.
hydrosulfurous acid
b.
sulfurous acid
c.
hydrosulfuric acid
d.
sulfuric acid
Hint
2.
What will be the acid-base condition of the solution when ammonium citrate is dissolved in water?
a.
basic
b.
The acid-base condition cannot be determined.
c.
neutral
d.
acidic
Hint
3.
If the rock and soil around a lake are rich in this, the lake can neutralize acid rain.
a.
limestone
b.
cinnabar
c.
granite
d.
quartz
Hint
4.
What is the base in the reaction HI + H
2
O
H
3
O + I
-
?
a.
Isub>2
b.
HI
c.
H
3
O
+
d.
H
2
O
Hint
5.
A solution of known molarity used in an acid-base titration is known as a/an _______________.
a.
aliquot
b.
standard solution
c.
indicator
d.
hetergeneous solution
Hint
6.
Buffers maintain the pH of human blood near _____.
a.
6.8
b.
12.5
c.
1
d.
7.4
Hint
7.
Ions that are present in a solution but that do not participate in the reaction are called ________________.
a.
reactants
b.
products
c.
spectator ions
d.
gases
Hint
8.
The complete neutralization of a weak acid with a strong base produces a _______________ solution.
a.
cold
b.
neutral
c.
acidic
d.
basic
Hint
9.
One of the best acid-base indicators to use for a weak acid-strong base titration is ______________.
a.
methyl red
b.
thymol blue
c.
bromothymol blue
d.
phenolphthalein
Hint
10.
A __________ is a substance that resists changes in pH when moderate amounts of acids or bases are added.
a.
hydroxide
b.
hydronium
c.
buffer
d.
spectator ion
Hint
11.
22.5 mL of 0.122 M HCl neutralizes 30.0 mL of a KOH solution. What is the molarity of the KOH solution?
a.
1.08 M
b.
0.0915 M
c.
0.00445 M
d.
0.163 M
Hint
12.
According to the Bronsted-Lowry definition, an acid is a _______________.
a.
hydrogen-ion acceptor
b.
hydrogen-ion donor
c.
electron donor
d.
electron acceptor
Hint
13.
Along with water, the compound produced in most acid-base reactions is _____________.
a.
sodium hydroxide
b.
carbon dioxide
c.
barium oxide
d.
a salt
Hint
14.
H
+
(aq) + OH
-
(aq)
H
2
O(l) is the _____________ equation for a strong acid-strong base neutralization reaction.
a.
reverse
b.
formula
c.
net ionic
d.
complete ionic
Hint
15.
Acid-base reactions are usually __________________ reactions.
a.
synthesis
b.
decomposition
c.
combustion
d.
double-displacement
Hint
16.
An acid-base reaction is called a __________ reaction.
a. synthesis
b. neutralization
c. combustion
d. single-replacement
Hint
17.
Titration is the general process of determining the ____________ of an acidic or basic solution through the use of an acid-base reaction.
a.
density
b.
boiling point
c.
molarity
d.
polarity
Hint
18.
One of the best acid-base indicators to use for a strong acid-strong base titration is ______________.
a.
phenolphthalein
b.
bromothymol blue
c.
methyl red
d.
thymol blue
Hint
19.
Which of these compounds is NOT used in antacids?
a.
CaCO
3
b.
Mg(OH)
2
c.
KOH
d.
NaHCO
3
Hint
20.
What is the formula for the salt formed when calcium hydroxide and nitric acid react?
a.
Ca(NO
3
)
2
b.
CaNO
3
c.
CaNO
2
d.
CaN
Hint
