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Chapter 16 Quiz

Total questions: 35

Worksheet time: 3hrs 55mins

Name
Class
Date
1.
 Which of the following is an acid?
a)
shampoo
b)
baking soda
c)
orange juice
d)
water
2.
When dissolved in water, acids produce:
a)
bases
b)
salts
c)
hydrogen ions
d)
hydroxide ions
3.

What is the pH of a 0.02 M solution of the strong acid HCl?

a)

12.3

b)

1.7

c)

2.3

d)

1.2

4.
Which statement is true for all aqueous solutions of acids?
a)
They have a pH value greater than 7
b)
They react with sodium carbonate to give carbon dioxide
c)
They react with ammonium chloride to give ammonia gas
d)
They react with copper to give hydrogen
5.
Which of the following is a weak acid?
a)
Hydrochloric acid
b)
Nitric acid
c)
Tartaric acid
d)
Sulfuric acid
6.

What is the pH scale?

a)

A method for measuring the protons in a solution.

b)

A measurement of how acidic or basic a liquid is.

c)

A special microscope used to look at acids.

d)

None of these.

7.

A liquid is considered a base if it has a lot of _________.

a)

Hydrogen ions

b)

Helium ions

c)

Positive ions

d)

Hydroxide ions

8.
A solution with a pH of 8.6 would be...
a)
Acid
b)
Base
c)
Neutral
d)
Acid and Base
9.

Which is the correct equation for calculating pH?

a)

pH = log[H+]

b)

pH = -log[H+]

c)

pH = 10-[H+]

d)

pH = In[H+]

10.

What is the [H+] in a solution with a pH of 11?

a)

1 x 10-1 M

b)

1 x 10-2 M

c)

1 x 1011 M

d)

1 x 10-11 M

11.

If the [OH-] of a solution is 2.7 x 10-4 mol/L the pOH of the solution is

a)

10.44

b)

3.57

c)

1.00

d)

-4.43

12.
What is the [H+] if the pH is 4.0?
a)
1.0 x 10-10  M
b)
1.0 x 10-4  M
c)
1.0 x 10-14  M
d)
1.0 x 10-7  M
13.
If the pH of a solution is 5.6 the pOH is
a)
6.5
b)
12.4
c)
8.4
d)
5.6
14.
If the pH of a solution is 5.6 the pOH is
a)
6.5
b)
12.4
c)
8.4
d)
5.6
15.

Which of the following pH values represents a base?

a)

2.1

b)

4.6

c)

6.8

d)

8.1

16.
If the [H+] of a solution is 1 x 10-2 mol/L the pH is
a)
2
b)
12
c)
-2
d)
1
17.
A  pH and a pOH will add up to:
a)
0
b)
7
c)
14
d)
1.0 x 10-14
18.
If the pH of a solution is 5.6 the pOH is
a)
6.5
b)
12.4
c)
8.4
d)
5.6
19.
if the [H+] of a solution is 1.0 x 10-2 mol/L the pH is
a)
2
b)
-2
c)
1
d)
12
20.
If the pH of a solution is 7 the solution is said to be
a)
Acidic
b)
Basic
c)
Neutral
d)
Tasty
21.
if the [H+] of a solution is 8.4 x 10-3 mol/L the pOH of the solution will be
a)
2.08
b)
11.92
c)
1.02
d)
12.98
22.
if a solution has a pOH of 5.2 the [OH-] of the solution is
a)
6 x 10 -6 M
b)
6.3 x 10 -6 M
c)
1.58 x 10-5 M
d)
2 x 10-5 M
23.
A(n) _______ is a substance with a pH greater than 7.
a)
Base
b)
Acid
c)
Buffer
d)
Water
24.
The pH scale 8-14 are...
a)
acids
b)
bases
c)
neutral
25.

A chemical has a pH = 2. It would be best described as

a)

Strong acid

b)

Strong base

c)

Weak acid

d)

Weak base

26.
If the [OH-] of a solution is 2.7 x 10-4 mol/L the pOH of the solution is
a)
10.44
b)
3.56
c)
1.00
d)
-4.43
27.
HBr is an example of a(n)
a)
Acid
b)
Base
c)
Neutral
28.
LiOH is an example of a(n)
a)
Acid
b)
Base
c)
Neutral
29.
What is the [OH-] if the pH is 4.9?
a)
7.94 x 10-10 M
b)
1.0 x 10-4  M
c)
7.94 x 10-14 M
d)
4.9 x 10-10 M
30.

Which of the following is a strong acid?

a)

acetic acid

b)

nitric acid

c)

carbonic acid

d)

phosphoric acid

31.
What is the conjugate acid in the following equation?
a)
PO43- 
b)
HNO3 
c)
NO3- 
d)
HPO42-
32.
What is the conjugate base in the following reaction?
a)
HCO3- 
b)
HCl
c)
 H2CO3 
d)
Cl-
33.

How do Bronsted-Lowry conjugate acid-base pairs differ?

a)

differ by one H+

b)

Differ by one OH-

c)

Differ by two H+

d)

Differ by some number of H+

34.

Which of the following correctly identifies an Acid-Base Pair?

a)

HH4+ , OH-

b)

H2O , OH-

c)

CaCO3 ,CaCl2

d)

HNO3 , H2SO4

35.
Which of the following shows the correct conjugate acid base pair?
a)
HCI (acid) / H3O+ (conjugate base)
b)
HCI (acid) / CI- (conjugate base)
c)
HCI (base) / CI- (conjugate acid)
d)
HCI (base) / H3O+ (conjugate acid)

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