wayground logo

Free Printable Worksheets

NEW

Font size

S
M
L
XL
Worksheets

AP Chemistry PH

Total questions: 22

Worksheet time: 14mins

Name
Class
Date
1.
A chemist is working with a liquid substance that tastes bitter, feels slippery, and conducts an electric current. Which of the following is the chemist most likely working with? 
a)
a salt
b)
a base
c)
an acid
d)
distilled water
2.

Which of these is a weak base?

a)

NH3

b)

KOH

c)

HCOOH

d)

HBr

3.

Which of these is a strong acid?

a)

NH3

b)

CH3COOH

c)

HClO3

d)

HF

4.

Which of the following describes H2SO4

a)

Weak acid

b)

Strong base

c)

Strong acid

d)

Weak base

5.
I have a pOH have 4.23. Am I acidic or basic?
a)
Acidic
b)
Basic
c)
Neutral
6.
What is the pOH of a solution that has a pH of 2?
a)
10
b)
12
c)
14
d)
1
7.

Which chemical is a proton acceptor?

a)

Acid

b)

Base

8.

Hydrochloric acid (HCl) and acetic acid (HC2H3O2) are both acids. HCl completely dissociates in water, while HC2H3O2 does not. Which of the following statements best describes these two acids?

a)

HCl is a weak acid, HC2H3O2 is a weak acid.

b)

HCl is a strong acid, HC2H3O2 is a strong acid.

c)

HCl is a strong acid, HC2H3O2 is a weak acid.

d)

HCl is a weak acid, HC2H3O2 is a strong acid.

9.
The pH scale is a range from:
a)
1-7
b)
0-14
c)
1-5
d)
1-20
10.
A(n) ______ is a substance with a pH less than 7
a)
Acid
b)
Alkaline
c)
Base
d)
Buffer
11.
What is the only substance with a neutral pH of 7?
a)
Milk
b)
Orange Juice
c)
Water
d)
Blood
12.
Complete the sentence.
A substance that is more basic has a _____ pH than a substance that is acidic.
a)
lower
b)
higher
c)
the same
d)
none of the above
13.

In a test of pH levels, a baking soda has a pH of 9 and bleach has a pH of 12. What is true about there relationship?

a)

Both of the solution are Bases

b)

Both of the solution are Acids

c)

The Baking soda is an acid and the Bleach is a base

d)

The baking soda is a base and the Bleach is an Acid.

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.
On the pH scale higher numbers indicate
a)
acids
b)
bases
16.
If you have a substance with a pH of 7.1 it is a(n).....
a)
Acid
b)
base
17.

The picture below shows the relative concentrations of H+ and OH- in a solution. Is the solution an acid or a base?

a)

acid

b)

base

18.

An acid

a)

is a substance that releases H+ ions when dissolved in water

b)

is a substance that does not release any ions when dissolved in water

c)

is a substance that releases OH- when dissolved in water

d)

releases an equal amount of OH- and H+ ions when dissolved in water

19.

Water has a neutral because

a)

it has more H+ ions than OH-

b)

it has more OH- ions than H+

c)

it does not produce any ions

d)

it has an equal amount of H+ and OH- in solution

20.
According to the pH range which substance is more acidic than lemon juice
a)
Hydrochloric acid
b)
cabbage
c)
milk
21.
Bleach is a strong base, what is the pH level of bleach?
a)
13
b)
14
c)
1
d)
2
22.
A solution has a pH of 7.0.  What would happen to the pH if H ions were added?
a)
pH would go up
b)
pH would go down
c)
pH would stay the same
d)
None of these