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Worksheets

Acids and Bases

Total questions: 40

Worksheet time: 34mins

Name
Class
Date
1.

What is produced when an acid and base are combined? Select all that apply.

a)

Salt

b)

Water

c)

Acid

d)

Base

2.

Which of the following is the best definition of amphoteric?

a)

A substance that ionizes completely when placed in water

b)

A substance that is used in a titration to determine the concentration

c)

A substance the resists change in pH

d)

A substance that can act as either an acid or a base

3.

When a base gains of proton it becomes

a)

Conjugate acid

b)

Conjugate base

c)

Acid

d)

Base

4.

Which of the following is the strongest electrolyte?

a)

Al(OH)3

b)

Fe(OH)2

c)

LiOH

d)

AgOH

5.

According to Bronsted-Lowry's definition an acid...

a)

Produces OH- in water

b)

Produces H+ in water

c)

Donates a proton

d)

Accepts a proton

6.

Which of the following would NOT ionize completely?

a)

HCl

b)

HF

c)

HI

d)

HBr

7.

Which of the following is the best definition of buffer?

a)

A substance that ionizes completely when placed in water

b)

A substance that is used in a titration to determine the concentration

c)

A substance the resists change in pH

d)

A substance that can act as either an acid or a base

8.

Which of the following is considered monoprotic?

a)

HCl

b)

H2SO4

c)

H3P

d)

LiOH

9.

Which of the following is true about a neutralization reaction?

a)

It will produce a solution with a pH of 7

b)

It will produce a salt and water

c)

It will produce a buffer

d)

It will produce an amphoteric solution

10.

Square brackets indicate....

a)

Concentration

b)

Moles

c)

Ionization

d)

Volume

11.

What kind of salt would be produced in a neutralization reaction between HI and Fe(OH)3?

a)

Acidic

b)

Basic

c)

Neutral

d)

Not enough information

12.

In a neutralization reaction between HCl and NaOH a ____ salt would be produced.

a)

Acidic

b)

Basic

c)

Neutral

d)

Not enough information

13.

If HF is reacted with AgOH, what kind of salt would be produced?

a)

Acidic

b)

Basic

c)

Neutral

d)

Not enough information

14.

If a substance has a pH of less than 7, the solution is...

a)

Acidic

b)

Basic

c)

Neutral

d)

Salt

15.

If a substance has a pOH less than 7 the solution is...

a)

Acidic

b)

Basic

c)

Neutral

d)

Salt

16.

Which of the following is the best definition of titration?

a)

An experimental way to determine the concentration of an acid or a base

b)

An experimental way to create a buffered solution

c)

An experimental way of determining the type of salt that will be produced from a neutralization reaction

d)

An experimental way to determine whether an acid or base is strong or weak

17.

A buffer is made up of a _____ and its ____.

a)

Weak base; conjugate acid

b)

Weak acid; conjugate base

c)

Strong acid; conjugate base

d)

Strong base; conjugate acid

18.

In a titration, what indicates that the end point has been reached?

a)

A color change occurs

b)

A solid precipitates out

c)

The solution seperates

d)

A buffer is created

19.

What letter represents the equivalence point?

a)

A

b)

B

c)

C

d)

D

e)

E

20.

What letter represents that there are equal moles of acid and base?

a)

A

b)

B

c)

C

d)

D

e)

E

21.

Reacts with a metal to produce hydrogen gas

a)

Acid

b)

Base

c)

Both Acid and Base

d)

Neither Acid or Base

22.

Tastes sour

a)

Acid

b)

Base

c)

Both Acid and Base

d)

Neither Acid or Base

23.

Turns litmus paper blue/yellow

a)

Acid

b)

Base

c)

Both Acid and Base

d)

Neither Acid or Base

24.

Can be strong or weak

a)

Acid

b)

Base

c)

Both Acid and Base

d)

Neither Acid or Base

25.

High concentration of hydroxide ions

a)

Acid

b)

Base

c)

Both Acid and Base

d)

Neither Acid or Base

26.

The pH of a 0.001 M solution of HCl is

a)

11

b)

3.0

c)

-3.0

d)

-11

27.

The pH of a solution is 2.0. What is the [OH-] concentration?

a)

1.0 x10-12M

b)

12 M

c)

1.0 x10-2M

d)

2.0 M

28.
What is the pH of a solution that has an [H3O+] =1x10-4?
a)
4
b)
-4
c)
2
d)
3
29.
What is the conjugate base of HCO3-?
a)
HCO3-
b)
H2CO3-
c)
H2CO3
d)
CO32-
30.
What is the conjugate acid in the following equation?
a)
PO43- 
b)
HNO3 
c)
NO3- 
d)
HPO42-
31.
What is the conjugate base in the following reaction?
a)
HCO3- 
b)
HCl
c)
 H2CO3 
d)
Cl-
32.

What is the conjugate acid to NO3- ?

a)

HNO3

b)

OH-

c)

H+

d)

NO3-2

33.

What is not a conjugate base to acid pair?

a)

OH- : H2O

b)

H2O : H3O+

c)

CN- : HCN

d)

HSO4- : SO4-2

34.

The conjugate base of H2SO4 is ___.

a)

H2SO3

b)

HSO4-

c)

H3SO4+

d)

SO4-2

35.

The pH of a solution is 4. What is the hydroxide ion concentration?

a)

[OH-] = 1 x 10-4

b)

[OH-] = 1 x 10-6

c)

[OH-] = 1 x 10-10

d)

[OH-] = 1 x 10-14

36.

What is the pH of a solution that has a [H+] of 2.5 x 10-5?

a)

4.6

b)

5.0

c)

2.5

d)

7.0

37.

What is the pOH of a solution where the [OH-] is 7.30 x 10-2 M?

a)

1.18

b)

2.00

c)

1.14

d)

7.30

38.

What is the [OH-] if the pH is 4.9?

a)

7.9 x 10-10 M

b)

1.0 x 10-4 M

c)

0.96

d)

4.9 x 10-10 M

39.

What is image A illustrating?

a)

Strong acid

b)

Weak Acid

c)

Weak Base

d)

Neutral Reaction

40.

What is image B illustrating?

a)

Strong acid

b)

Weak Acid

c)

Strong Base

d)

Neutral Reaction