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Worksheets

PH

Total questions: 16

Worksheet time: 1hrs 20mins

Name
Class
Date
1.
The pH scale is a range from:
a)
1-7
b)
0-14
c)
1-5
d)
1-20
2.
HBr is an example of a(n)
a)
Acid
b)
Base
c)
Neutral
3.
LiOH is an example of a(n)
a)
Acid
b)
Base
c)
Neutral
4.
HNO3 is an example of a(n)
a)
Acid
b)
Base
c)
Neutral
5.

If the [H+] > [OH-] the solution is...

a)

acidic

b)

basic

c)

neutral

6.

If the [H+] < [OH-] the solution is...

a)

acidic

b)

basic

c)

neutral

7.

If the [H+] = [OH-] the solution is...

a)

acidic

b)

basic

c)

neutral

8.
If the solution of HNO3 has a pH of 6. Is it an acid, base, or neutral?
a)
acid
b)
base
c)
neutral
9.
Is aluminium hydroxide Al(OH)3 an acid or a base ?
a)
Acid
b)
Base
10.

What does pH measure?

a)

the amount of hydrogen (H+) ions

b)

the amount of hydroxide (OH-) ions

c)

amount of water

d)

all of the above

11.

Which of the following is the strongest acid?

a)

1

b)

5

c)

3

d)

8

12.

Which of the following is the strongest base?

a)

4

b)

14

c)

7

d)

15

13.

Which of the following is a characteristic of a base?

a)

bitter

b)

sour

c)

corrosive

d)

releases hydrogen ions in water

14.

A pH of 3 is how many times more acidic than a pH of 5?

a)

2

b)

20

c)

10

d)

100

15.

Acids and bases can combine to create water and salts.

a)

True

b)

False

16.

A base is a substance

a)

That releases OH- ions when dissolved in water

b)

That releases H+ ions when dissolved in water

c)

Does not release any ions when dissolved in water

d)

None of the above