wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

Acids & Bases

Total questions: 16

Worksheet time: 9mins

Name
Class
Date
1.

True or False:

An acid is a substance that produces hydrogen ions

a)

True

b)

False

2.

When an acid dissolves in water, H+ions

interact with water molecules to form H3O+ ions.


What do we call these ions?

a)

Monohydride Tetraoxide

b)

Hydronium

c)

Ionic Hydrogen

d)

Covalent Hydraulic Oxide

3.

Of the following, which are acids?

a)

Vinegar

b)

Aspirin

c)

Vitamin C

d)

Baking Soda

4.

What color will the litmus

paper turn if the substance is an acid?

a)

Purple

b)

Red

c)

Blue

d)

Green

5.

Strong bases are corrosive, and contact with

skin can result in severe burns.


Should we use taste and touch in the presence of a base?

a)

Sure!

b)

Never!

6.

What color will the litmus turn if the substance is a base?

a)

Blue

b)

Green

c)

Pink

d)

It won't change colors

7.

What happens during the Ionization of Acids?

a)

Hydrogen chloride does not dissolve in water, and two different ions are formed.

b)

Hydrogen chloride dissolves in water, and two different ions are formed.

c)

Hydrogen chloride dissolves in water, and two of the same ions are formed.

d)

Hydrogen chloride will not dissolve in water, and no ions are formed.

8.

When does Electric Current occur?

a)

When solutions contain condensed ions, they can conduct current.

b)

When solutions contain dissolved ions, they can't conduct current.

c)

When solutions contain dissolved ions, they can conduct current.

9.

True or False:

More ions = more electricity conducted

a)

True

b)

False

10.

True or False:

Solutions with a pH more than 7 are acidic

a)

True

b)

False

11.

True or False:

Solutions with a pH greater than 7 are basic.

a)

True

b)

False

12.

When does the Litmus paper turn red?

a)

If the substance is an acid

b)

If the substance is a base

13.

When does the Litmus paper turn blue?

a)

If the substance is an acid

b)

If the substance is a base

14.

Is this true?

Most plants and animals function best when the pH

is nearly neutral.

a)

Yep!

b)

No Way!

15.

Acid Rain has a pH lower than 5.6

What causes acid rain?

a)

Industrial processes

b)

Burning of coal

c)

Planting a garden

d)

Walking to the lake

16.

Choose the correct definition of Neutralization:

a)

A chemical reaction

between an acid and a base that takes place

in a water solution.

b)

A chemical reaction between a base and a base, that takes place in a citrus solution.

c)

A chemical reaction between an acid and an acid, that takes place in a water solution.