wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

Acids, Bases, and Salts

Total questions: 30

Worksheet time: 28mins

Name
Class
Date
1.

An indicator is?

a)

A lab manual or guide

b)

Something like litmus paper that can tell you if a substance is acidic or basic

c)

A PS4 game where you pretend to direct traffic

d)

Something only scientists in a lab can use

2.

Do acids or bases conduct electricity?

a)

Only acids conduct electricity

b)

Only bases conduct electricity

c)

Bases and acids conduct electricity

d)

Neither conduct electricity

3.

When you neutralize strong acid with a strong base you create

a)

a salt and water

b)

You can not neutralize acid with a base

c)

You create carbon dioxide

d)

A moderate sized explosion

4.

Which of the following values would represent the pH of a strong acid?

a)

1

b)

6

c)

7

d)

13

5.

What range of values on the pH scale represent solutions with a higher concentration of hydronium (H3O+) ions?

a)

0-14

b)

below 7

c)

7

d)

above 7

6.

What range of values on the pH scale represent solutions with a higher concentration of hydroxide (OH-) ions?

a)

below 7

b)

7

c)

above 7

d)

0-14

7.

When found in food, acids often taste ________.

a)

Sour

b)

Bitter

c)

Salty

d)

Slippery

8.

When found in food, bases often taste _______.

a)

Sour

b)

Bitter

c)

Salty

d)

Soggy

9.

Pure water (H2O) has a pH of 7 and would be classified as...

a)

a base

b)

a neutral substance

c)

both an acid and a base

d)

an acid

10.

Acidic solutions exhibit a higher ratio of H3O+ ions, known as...

a)

neutrons

b)

hydroxide

c)

electrons

d)

hydronium

11.

Acids are __________, which means they "eat away" at other materials.

a)

transitional metal

b)

alkaline

c)

flammable

d)

corrosive

12.
According to the pH range which substance is more acidic than lemon juice
a)
Hydrochloric acid
b)
cabbage
c)
milk
13.
a solute whose water solution conducts electricity is called a(n)
a)
nonconductor
b)
electrolyte
c)
nonelectrolyte
d)
aqueous solution
14.
If an electrical current can run through a solution, it is said to contain
a)
magic
b)
nonelectrolytes
c)
electricity
d)
electrolytes
15.
BASE + ACID ----> SALT +?
a)
water
b)
oxygen
c)
hydrogen ion
d)
hydroxide ion
16.
Which solution would be least likely to carry an electric current?
a)
NaCl
b)
HCl
c)
C6H12O6
d)
CsI
17.

Which solution would be least likely to carry an electric current?

a)

NaCl

b)

HCl

c)

C6H12O6

d)

KClO3

18.
Which of the following is an electrolyte?
a)
sodium chloride
b)
sugar
c)
water
19.

When the ends of two wires from a circuit containing a battery and a light bulb are placed into a beaker containing a clear solution the light bulb glows brightly. From this observation, you can conclude the solution is probably —

a)

a concentrated but weak base

b)

a strong acid

c)

a pH neutral sample of a polar compound

d)

an acid added to a base

20.

What do solutions that conduct electricity contain that differentiates them from

solutions that do not conduct electricity?

a)

A. Molecules

b)

B. Atoms

c)

C. Free-moving ions

d)

D. Solutes

21.

Which of the following solutions would conduct electricity the best?

a)

A. A sugar solution

b)

B. A salt solution

c)

C. Distilled water

d)

D. All of them

22.

A neutralization reaction is a reaction between

a)

Acid and a Base

b)

Acid and water

c)

Base and water

d)

None of the above

23.

Pure water is _______ on the pH scale.

a)

Acid

b)

Base

c)

Neutral

24.
If the pH of a solution is 9, it is a....
a)
acid
b)
base
c)
both
d)
none
25.
Values from 0-14 that determine the acidity of a solution
a)
Molarity
b)
Polarity
c)
pH scale
d)
Solubility
26.
A dilute acid
a)
can be either a strong or weak acid
b)
is a weak acid
c)
is a strong acid
d)
a strong base
27.

A dilute base

a)

can be either a strong or weak base

b)

is a weak base

c)

is a strong acid

d)

a strong base

28.

A concentrated acid

a)

can be either a strong or weak acid

b)

is a weak acid

c)

is a strong acid

d)

a strong base

29.

A concentrated base

a)

can be either a strong or weak base

b)

is a weak base

c)

is a strong acid

d)

a strong base

30.

What does pH measure?

a)

the amount of hydronium (H3O+) ions

b)

the amount of hydroxide (OH-) ions

c)

amount of water

d)

all of the above