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Acid Base Chemistry

Total questions: 63

Worksheet time: 2hrs 52mins

Name
Class
Date
1.

Which of the following statements is true concerning acids and bases?

a)

acids and bases don't react with each other

b)

acids mixed with bases neutralize each other

c)

acids mixed with bases make stronger bases

d)

acids mixed with bases make stronger acids

2.

Which is the correct set of acid properties, as described by Boyle:

a)

sour taste, corrosive, change litmus from red to blue

b)

sour taste, corrosive, change litmus from blue to red

c)

sweet taste, slippery, change litmus from blue to red

d)

sour taste, slippery, change litmus from blue to red

3.

Neutral solutions have a pH of:

a)

0

b)

1

c)

7

d)

14

4.

True or false: a neutral solution has equal amounts of H+ and OH-.

a)

True

b)

False

5.

Which is true?

a)

pH of less than 7 is basic; pH of more than 7 is acidic

b)

pH of less than 7 is acidic; pH of more than 7 is basic

6.

NaOH may be found in drain cleaners and as a component of soaps. Is NaOH an acid or a base?

a)

Acid

b)

Base

c)

Neither (Neutral)

7.

HCl is found in household products, including some toilet bowl cleaners. Is HCl an acid or a base?

a)

Acid

b)

Base

c)

Neither (Neutral)

8.

Is laundry detergent an acid or a base?

a)

Acid

b)

Base

c)

Neither (Neutral)

9.

Ammonia is found in many household products, including window cleaner. What is the pH of ammonia?

a)

It's acidic.

b)

It's basic.

c)

It's neutral.

10.

Is pure water acidic, basic, or neutral?

a)

Acidic

b)

Basic

c)

Neutral

11.

An acid has a pH

a)

higher than 7

b)

lower than 7

c)

7

d)

greater than 14

12.

the H in pH stands for

a)

hood

b)

happy

c)

hydrogen

d)

help

13.
Human blood has a pH between 7.35 and 7.45. Which of the following best describes human blood?
a)
strongly acidic
b)
slightly acidic
c)
strongly basic
d)
slightly basic
14.
Which of these pH values would indicate that a solution is a weak base?
a)
4
b)
5.6
c)
8
d)
13
15.
KOH will release which ion?
a)
OH-
b)
H+
c)
OH+
d)
H-
16.
Is HNO3 an acid or base?
a)
Acid
b)
Base
17.
Select the name of the following acid: HCl
a)
Hydrochloric acid
b)
Chlorous acid
c)
Chloric acid
18.
Select the formula for the following acid: hydroiodic acid
a)
HI
b)
HIO4
c)
HIO3
d)
H2I
19.
Select the name for the following acid: H3PO4
a)
Phosphoric acid
b)
Phosphorous acid
c)
Hydrophosphoric acid
20.
If you have an oxyacid and it contains an -ate polyatomic ion, then acid's ending will change to _____. 
a)
-ic 
b)
-ous
c)
-ite 
21.

a compound that increase H+ or H3O+ concentration by making the solution more acidic is called

a)

arrhenius acid

b)

arrhenus base

22.

NH3 is:

a)

a Bronsted Lowry base

b)

an Arrhenius base

c)

an acid

d)

both an Arrhenius and a Bronsted Lowry base

23.

Scale that measures how acidic or basic something is.

a)

aH

b)

bH

c)

pH

d)

Hp

24.

Which is NOT a property of acids?

a)

slippery

b)

pH below 7

c)

react with metals

d)

contain H1+ ions

25.

Which is NOT a property of bases?

a)

caustic

b)

slippery

c)

pH below 7

d)

bitter

26.

What gas forms when an acid reacts with a metal?

a)

O2

b)

H2

c)

H

d)

CO2

27.

Which of these will produce CO2 when reacted with an acid?

a)

Mg

b)

NaOH

c)

NaHCO3

d)

H2O

28.
What is "neutralization"?
a)
Compound formed by a metal and a nonmetal
b)
The reaction between an acid and a base which produces a salt and water
c)
A chemical whose color changes in the presence of acids and bases
d)
To decrease the amount of solute as compared to the amount of solvent in a solution
29.

The table shows the pH of several solutions. Which solution has the greatest concentration (amount) of H+ ions?

a)

vinegar

b)

milk

c)

water

d)

bleach

30.

What are the products of a neutralization reaction between an acid and a base?

a)

Another acid and base

b)

Carbon dioxide and a salt

c)

Water and a salt

d)

Either two acids or two bases

31.

A student is using a straw to blow bubbles into a calcium hydroxide solution. The carbon dioxide in the student’s breath is reacting with the water to form an acid, which begins to neutralize the basic solution. Which of the following best describes the initial change in pH of the solution?

a)

increase in pH

b)

decrease in pH

c)

no change in pH

32.

NH3 + H2O → NH4+ + OH-

NH3 is a Bronsted Lowry

a)

Acid

b)

Base

c)

conjugate acid

d)

conjugate base

33.

Which of the following is a neutralization reaction?

a)

2Na + Cl2 → 2NaCl

b)

CH4 + 2O2 → CO2 + 2H2O

c)

HCl + KOH → KCl + H2O

d)

CaCO3 → CO2 + CaO

34.

What is the pH of a reaction between a strong acid and strong base?

a)

0

b)

5

c)

10

d)

7

35.

HNO3 + H2O → H3O+ + NO31-

NO31- is the conjugate base of

a)

H2O

b)

HNO3

c)

H3O+

d)

none of the above

36.

HCO3- + H2O → H3O+ + CO32-

Water is acting as

a)

a Bronsted Lowry base

b)

a Bronsted Lowry acid

c)

a strong acid

d)

a weak acid

37.

HC2H3O2 + H2O → H3O+ + C2H3O21-

HC2H3O2 is acting as

a)

a conjugate base

b)

a Bronsted Lowry base

c)

a Bronsted Lowry acid

d)

none of the above

38.

What is the conjugate base of H2SO4?

a)

SO42-

b)

H2SO3

c)

HSO31-

d)

HSO41-

39.

HBr is the conjugate acid of

a)

Br1-

b)

Br2

c)

H2Br

d)

none of the above

40.

Which of the following is a strong base?

a)

NH3

b)

Zn(OH)2

c)

HCl

d)

CsOH

41.

Which of the following is a strong acid?

a)

NaOH

b)

HCl

c)

HF

d)

H2O

42.
What is the hydrogen ion concentration if the [OH-] = 1 x 10-9 M?
a)
1 x 10-5 M
b)
1 x10-23 M
c)
100000 M
d)
1 x105 M
43.
What is the hydrogen ion concentration if the [OH-] = 2.8 x10-8 M?
a)
2800000
b)
3.6 x 10-7 M
c)
2.8 x 10-22 M
d)
2.8 x 107 M
44.
What is the pH of a 0.111 M nitric acid solution?
a)
9.01 x 10-14 
b)
13.0
c)
0.955
d)
0.111
45.
What is the pH of a 0.956M sodium hydroxide solution?
a)
0.0195
b)
1.05 x 10-14
c)
13.9
d)
9.56 x 1014
46.
What is the pOH of a 0.956M sodium hydroxide solution?
a)
13.9
b)
1.05 x 10-14
c)
.0195
d)
9.56 x 1014
47.
What is the hydrogen ion concentration of a solution with a pH of 4.64?
a)
2.16 x 10-15M
b)
4.64 x 1014M
c)
4.64 x 10-14M
d)
2.29 x 10-5M
48.
What is the hydrogen ion concentration of a solution with a pH of 8.2?
a)
6.3 x 10-9M
b)
-.91
c)
1.2 x 10-15M
d)
1.2 x 1015M
49.
What is the pH of a 0.505 M nitric acid solution?
a)
0.297
b)
1.98 x 10-14
c)
13.7
d)
1.98 x 1014
50.
What is the pH of a 0.0006 M sodium hydroxide solution?
a)
3.22
b)
10.78
c)
13.99
d)
1.7 x 10-11
51.
Is a solution with [OH-] of 2.7 x 10-2 M acidic, basic, or neutral?
a)
acidic
b)
basic
c)
neutral
d)
not enough info
52.
Is a solution with [OH-] of 8.1 x 10-4 M acidic, basic, or neutral?
a)
acidic
b)
basic
c)
neutral
d)
not enough info
53.
Is a solution with [H+] of 1.2 x 10-11 M acidic, basic or neutral?
a)
acidic
b)
basic
c)
neutral
d)
not enough info
54.
Is a solution with [H+] of 2.6 x 10-7 M acidic, basic or neutral?
a)
acidic
b)
basic
c)
neutral
d)
not enough info
55.
What is the pH range of an acid?
a)
0-6.9
b)
7.1-14
c)
0-14
d)
7
56.
What is the pH range of a base?
a)
0-6.9
b)
7.1-14
c)
0-14
d)
7
57.
What salt is produced in the reaction between hydrochloric acid and sodium hydroxide?
a)
NaCl
b)
HOH
c)
H2O
d)
NaCl2
58.
What salt is produced in the reaction between nitric acid and potassium hydroxide?
a)
KNO3
b)
KNO2
c)
K2NO3
d)
NOH
59.
What salt is produced in the reaction between sulfurous acid and potassium hydroxide?
a)
K2SO4
b)
KSO4
c)
KSO3
d)
K2SO3
60.
The ability to ionize completely is a characteristic of--
a)
strong acid
b)
strong compound
c)
weak acid
d)
weak base
61.
The ability to only partially ionize is a characteristic of--
a)
strong acid
b)
an electrolyte
c)
weak acid
d)
a base
62.
_________ acids are excellent conductors of electricity
a)
electrolyte
b)
strong
c)
weak
d)
basic
63.
What is the molarity of a nitric acid solution if 15.00 mL of the solution is titrated with 32.25 mL of a 0.100 M solution of calcium hydroxide?
a)
0.430 M
b)
4.61 x 10-4 M
c)
0.0215 M
d)
2.33 M

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