Acids and Bases React
Practice Test
1.
What is the formula for perchloric acid?
a.
HCl
b.
HClO
2
c.
HClO
4
d.
HClO
3
2.
If the rock and soil around a lake are rich in this, the lake can neutralize acid rain.
a.
quartz
b.
granite
c.
cinnabar
d.
limestone
3.
In a ______________ reaction, two or more substances react to form a single product.
a.
decomposition
b.
gas-producing
c.
double displacement
d.
synthesis
4.
Calculate the mass in grams of 0.0790 moles of aluminum.
a.
1.0 g
b.
2.1 g
c.
21 g
d.
34 g
5.
How many moles of magnesium atoms is 7.32 × 10
26
atoms?
a.
6.02 × 10
3
mol
b.
4.44 × 10
1
mol
c.
8.23 × 10
26
mol
d.
1.22 × 10
3
mol
6.
This is the formula for the spectator ion in the reaction between hydrobromic acid and ammonia.
a.
Br
-
b.
NH
3
c.
H
3
O
+
d.
HBr
7.
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.
0.163 M
b.
0.00445 M
c.
0.0915 M
d.
1.08 M
8.
What type of reaction occurs when potassium and chlorine gas produce potassium chloride?
a.
combustion
b.
synthesis
c.
decomposition
d.
replacement
9.
H
2
O is sometimes called ________________.
a.
the universal solvent
b.
a specific solute
c.
a poor solvent
d.
a solution
10.
Regarding solvents and solvents, ________________.
a.
nonpolar solvents dissolve polar solutes
b.
solutes dissolve solvents
c.
like dissolves like
d.
polar solvents dissolve nonpolar solutes
11.
2.52 g of diatomic oxygen occupies 3.00 L at 266 K. What is the pressure of the oxygen?
a.
123 kPa
b.
33.5 Pa
c.
58.0 kPa
d.
42.0 kPa
12.
A description of a chemical reaction that includes the names of all reactants and products, but not the formulas, is called a ___________________.
a.
balanced equation
b.
chemical equation
c.
word equation
d.
skeleton equation
13.
How many moles of chlorine are in 100 g chlorine (Cl)?
a.
64.6
b.
2.82
c.
0.355
d.
100
14.
The reaction between nitric acid and barium hydroxide produces water and _____________.
a.
Ba(NO
2
)
2
b.
BaNO
c.
Ba
3
N
2
d.
Ba(NO
3
)
2
15.
A solute __________________ of the solvent.
a.
lowers the boiling point
b.
raises the freezing point
c.
raises the boiling point
d.
does not affect
16.
The complete neutralization of a weak acid with a strong base produces a _______________ solution.
a.
basic
b.
cold
c.
neutral
d.
acidic
17.
Oxides of this element are usually involved in producing acid rain.
a.
boron
b.
sulfur
c.
bromine
d.
sodium
18.
The water molecule is polar partly because of its _____________.
a.
mass
b.
volume
c.
weight
d.
geometry
19.
What is the missing product in this balanced equation describing the decomposition of water? 2H
2
O(l) + energy
O
2
(g) +
a.
2H
2
(g)
b.
energy
c.
H
2
(g)
d.
H
2
O(g)
20.
A base is a substance that produces ____________ ions when it dissolves in water.
a.
carbonate
b.
hydroxide
c.
hydronium
d.
sodium
