wayground logo

Free Printable Worksheets

NEW

Font size

S
M
L
XL
Worksheets

Acids and Bases

Total questions: 20

Worksheet time: 15mins

Name
Class
Date
1.
Which of the following is a base?
a)
orange juice
b)
water
c)
vinegar
d)
dishwashing detergent
2.
If an acid is combined with a base of equal strength, the result will most likely be
a)
a neutral solution.
b)
a stronger acid.
c)
impossible to tell without testing the pH.
d)
a stronger base
3.
Pure water has a pH of 7. Pure water _______.
a)
is a base
b)
is a neutral substance
c)
could be either an acid or a base
d)
is an acid
4.
Which type of ion does a base produce when it is dissolved in water?
a)
oxide
b)
oxygen
c)
hydrogen
d)
hydroxide
5.

What is the meaning of the above hazard warning symbol?

a)

Corrosive

b)

Explosive

c)

Toxic

d)

Radioactive

6.

The pH of pure water

a)

5.6

b)

7.0

c)

8.1

d)

0.0

7.

Acid in our stomach:

a)

Hydrochloric acid

b)

Sulfuric acid

c)

Acetic acid

d)

Carbonic acid

8.

Acid in car battery:

a)

Hydrochloric acid

b)

Sulfuric acid

c)

Acetic acid

d)

Carbonic acid

9.
Tastes bitter.
a)
Acids
b)
Bases
c)
Salts
d)
All
10.
This image represents
a)
Neutralization reaction
b)
synthesis
c)
decompostion
d)
single displacement
11.

Sting of an ant contains

a)

Vinegar

b)

Common salts

c)

Milk of magnesia

d)

Formic acid

12.

Taste of acid is

a)

Bitter

b)

Soupy

c)

Sour

d)

Sweet

13.

Lemon drop turns

a)

Red litmus into blue

b)

No reaction

c)

Blue Litmus into red

d)

All of them

14.

How many type of Litmus is there

a)

One

b)

zero

c)

Five

d)

two

15.

Which is not the product of neutralization process

a)

Water

b)

Heat

c)

Salts

d)

Sugar

16.

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

17.

A substance is found to have the following characteristics:


Very bitter taste

Feels slippery to the touch

Produces OH- ions when dissolved in water


In what category would the substance be classified?

a)

acid

b)

base

c)

enzyme

d)

fatty acid

18.
What are properties of acids?
a)
Bitter, slippery, ph above 7
b)
Sour, reacts with metals, ph below 7
c)
Sour, reacts with metals, ph above 7
d)
Bitter, ph of 7, does not react with metals
19.

When an acid is dissolved in water, it turns red litmus paper blue.

a)

True

b)

False

20.

An acid is a solution that contains __________ ions dissolved in water.

a)

positive

b)

negative