Chapter 14:
Acids, Bases, and pH
Practice Test
1.
Oxides of this element are usually involved in producing acid rain.
a.
sulfur
b.
sodium
c.
boron
d.
bromine
Hint
2.
___________________ allow you to determine the approximate pH of a solution.
a.
Acid-base indicators
b.
Anhydrides
c.
Beakers
d.
Equations
Hint
3.
Which of the following compounds is NOT a base?
a.
KOH
b.
NH
3
c.
KCN
d.
NaOH
Hint
4.
Lemon juice is _______________.
a.
slightly basic
b.
neutral
c.
very basic
d.
very acidic
Hint
5.
This substance is usually the top industrial chemical produced in the United States.
a.
chlorine
b.
ammonia
c.
sulfuric acid
d.
sodium hydroxide
Hint
6.
Which of these is formed when ammonia ionizes in water?
a.
NH
2
-
b.
H
3
O
+
c.
NH
4
+
d.
N
3-
Hint
7.
Which of these is neither an acid nor a base when mixed with water?
a.
HI
b.
LiOH
c.
C
2
H
6
d.
NH
3
Hint
8.
A pH of 7 is considered to be _____________.
a.
neutral
b.
slightly acidic
c.
highly basic
d.
slightly basic
Hint
9.
Strong bases are more _______________ than weak bases.
a.
dense
b.
highly ionized
c.
molecular
d.
nonmetallic
Hint
10.
A pH 2 solution is ___________ times more acidic than a pH 4 solution.
a.
two
b.
one million
c.
one hundred
d.
ten
Hint
11.
Nonmetal oxides are _________________.
a.
basic anhydrides
b.
nonpolar solutes
c.
hydrides
d.
acidic anhydrides
Hint
12.
Which of these formulas does NOT represent a strong acid?
a.
HI
b.
HBrO
c.
H
2
SO
4
d.
HBr
Hint
13.
The reaction between nitric acid and barium hydroxide produces water and _____________.
a.
Ba(NO
3
)
2
b.
BaNO
c.
Ba
3
N
2
d.
Ba(NO
2
)
2
Hint
14.
Acids react with active metals to produce ______________.
a.
chlorine
b.
oxygen
c.
hydrogen
d.
sulfur
Hint
15.
What is the formula for perchloric acid?
a.
HCl
b.
HClO
2
c.
HClO
4
d.
HClO
3
Hint
16.
These compounds have a bitter taste and a slippery feel.
a. bases
b. salts
c. hydrocarbons
d. acids
Hint
17.
The pH scale is used to express the concentrations of hydronium ions and _____________ ions in aqueous solutions.
a.
hydroxide
b.
potassium
c.
fluoride
d.
carbon
Hint
18.
HC
2
H
3
O
2
is a _______________ acid.
a.
diprotic
b.
monoprotic
c.
strong
d.
quadprotic
Hint
19.
An acid is a substance that produces ____________ ions when it dissolves in water.
a.
hydroxide
b.
sodium
c.
bromide
d.
hydronium
Hint
20.
Which of these is formed when magnesium oxide dissolves in water?
a.
Mg
-
b.
Cl
-
c.
OH
-
d.
H
3
O
+
Hint
