wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

acids and bases

Total questions: 22

Worksheet time: 10mins

Name
Class
Date
1.

True or false: bases are sometimes called alkaline.

a)

True

b)

False

2.

Which is the correct set of acid properties?

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.

Vinegar, fruit juice, and cola are examples of:

a)

strong acids

b)

strong bases

c)

strong bases

d)

weak acids

7.

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)

8.

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)

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.

Vinegar is an example of:

a)

An acid.

b)

A base.

c)

Neither an acid nor a base.

12.

Tums and Milk of Magnesia are examples of:

a)

Acids

b)

Antacids

c)

Neither acids nor bases.

d)

Both antacids and bases.

13.

Which is a characteristic of a base?

a)

tastes sour

b)

found mostly in foods

c)

feels slippery

d)

turn litmus paper red

14.

pH is the measure of the concentration of ______.

a)

Acids

b)

H+ ion

c)

OH- ion

d)

Bases

15.

What is the definition of an ACID?

a)

a substance that contains hydroxide and ionizes to produce OH-

b)

a substance that contains hydrogen and ionizes to produce H+

c)

a substance that contains hydrogen and ionizes to produce OH-

d)

a substance that contains hydroxide and ionizes to produce H+

16.

What is the definition of an BASE?

a)

a substance that donates a hydrogen (H+) ion

b)

a substance that donates a hydroxide (OH-) ion

c)

a substance that accepts a hydrogen (H+) ion

d)

a substance that accepts a hydroxide (OH-) ion

17.

A substance that is 3 on the pH scale would be a(n):

a)

acid

b)

base

c)

neutral

d)

solute

18.
Which one of the following is an example of a base?
a)
orange juice
b)
dish soap
c)
vinegar
d)
lemons
19.
A substance that changes color when mixed with an acid or base is a(n) ___.
a)
indicator
b)
neutralizer
c)
corrosive
d)
electricity
20.
What color does litmus paper turn in the presence of an acid?
a)
blue
b)
black
c)
green
d)
red
21.

The pH scale is a range from:

a)

1-7

b)

0-14

c)

1-5

d)

1-14

22.

What would be considered the weakest base?

a)

3

b)

14

c)

8.2

d)

11.6