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Acid-Base Review

Total questions: 40

Worksheet time: 59mins

Name
Class
Date
1.

An acid has a pH

a)

higher than 7

b)

lower than 7

c)

7

d)

greater than 14

2.

the H in pH stands for

a)

hood

b)

happy

c)

hydrogen

d)

help

3.

lemon juice is a

a)

acid

b)

base

4.

bleach is

a)

an acid

b)

a base

5.

acids taste

a)

bitter

b)

sour

c)

furry

6.

bases taste

a)

bitter

b)

sour

c)

like candy

7.
Human blood has a pH between 7.35 and 7.45. Which of the following best describes human blood?
a)
strongly acidic
b)
slightly acidic
c)
strongly basic
d)
slightly basic
8.
KOH will release which ion?
a)
OH-
b)
H+
c)
OH+
d)
H-
9.
Is HNO3 an acid or base?
a)
Acid
b)
Base
10.
Select the name of the following acid: HCl
a)
Hydrochloric acid
b)
Chlorous acid
c)
Chloric acid
11.
Select the name for the following acid: H3PO4
a)
Phosphoric acid
b)
Phosphorous acid
c)
Hydrophosphoric acid
12.

a compound that increase H+ or H3O+ concentration by making the solution more acidic is called

a)

arrhenius acid

b)

arrhenus base

13.

In the equation below, what is the Bronsted Lowry base?

HCl + NH3 --> Cl- + NH4+

a)

HCl

b)

NH3

c)

Cl-

d)

NH4+

14.

In the equation below, what is the Bronsted Lowry acid?

HCl + NH3 --> Cl- + NH4+

a)

HCl

b)

NH3

c)

Cl-

d)

NH4+

15.
The pH scale is a range from:
a)
1-7
b)
0-14
c)
1-14
d)
1-20
16.
A(n) ______ is a substance with a pH less than 7
a)
Acid
b)
Alkaline
c)
Base
d)
Buffer
17.
A(n) _______ is a substance with a pH greater than 7.
a)
Base
b)
Acid
c)
Buffer
d)
Water
18.
What is the only substance with a neutral pH of 7?
a)
Milk
b)
Orange Juice
c)
Water
d)
Blood
19.
Ca(OH)2 is an example of a(n)
a)
Acid
b)
Base
c)
Neutral
20.
HBr is an example of a(n)
a)
Acid
b)
Base
c)
Neutral
21.
A neutralization reaction will always produce...
a)
water & salt
b)
water
c)
salt
d)
water & carbon
22.
What are the products of the following reaction?
H2SO4  +  KOH  -->  
a)
HK  +  HSO4
b)
H2O  +  KSO4
c)
H2O  +  K2SO4
d)
H2  +  K2SO4
23.
Complete the following reaction:
Hydrochloric acid + magnesium hydroxide --> 
a)
Magnesium chloride + water 
b)
Magnesium + water
c)
Magnesium chloride + hydrogen gas 
d)
Magnesium chloride + water + carbon dioxide 
24.
An indicator will ______________ when it is in contact with an acid or base
a)
Bubble
b)
Form a new substance
c)
Change color
d)
Stay the same color
25.

(8C) What color is methyl orange in a solution with a pH of 5?

a)

red

b)

orange

c)

blue

d)

yellow

26.

(8B) Which of these pH numbers indicates the strongest acid?

a)

1

b)

3

c)

8

d)

12

27.

(8B) The pH of pond water is 9.0. After a spill, its [H+] increases 1000 fold. The new pH is

a)

12

b)

6

c)

7

d)

5

28.

(8B) As pH decreases,

a)

[H+] increases only

b)

[H+] decreases only

c)

[H+] increases and [OH-] decreases

d)

[H+] decreases and [OH-] increases

29.

(8E) What is the molarity of HCl(aq) if 25 mL of 8.0 M NaOH(aq) neutralizes exactly 20 mL of HCl(aq)?

a)

0.100 M

b)

5 M

c)

10 M

d)

100 M

30.

(8D) What are the products when NaOH reacts with HCl?

a)

only NaCl

b)

only H2O

c)

NaCl and H2O

d)

NaCl and Cl2

31.

(8D) In the process of neutralization, an Arrhenius acid and an Arrhenius base react to form

a)

water only

b)

salt and carbon dioxide

c)

water and carbon dioxide

d)

water and salt

32.

(8A) Which compound is classified as an electrolyte?

a)

C6H12O6

b)

C12H22O11

c)

CH3OH

d)

Ca(OH)2

33.

(8E) When 50 mL of an HNO3 solution is exactly neutralized by 150 mL of a 0.50 M solution of KOH,

a)

the concentration of HNO3 is 1.0 M

b)

the concentration of HNO3 is 1.5 M

c)

the concentration of HNO3 is 3.0 M

d)

the concentration of HNO3 is 0.5 M

34.

(8C) What color is methyl orange in a solution with a pH of 2?

a)

red

b)

orange

c)

blue

d)

yellow

35.

(8C) What color is phenolphthalein in a solution with a pH of 12?

a)

pink

b)

orange

c)

colorless

d)

yellow

36.

(8C) What color is phenolphthalein in a solution with a pH of 6?

a)

pink

b)

orange

c)

colorless

d)

yellow

37.

(8E) What is the molarity of HBr(aq) if 50 mL of 8.0 M LiOH(aq) neutralizes exactly 50 mL of HBr(aq)?

a)

0.800 M

b)

80 M

c)

8 M

d)

800 M

38.

(8E) What is the molarity of HI(aq) if 25 mL of 8.0 M RbOH(aq) neutralizes exactly 50 mL of HI(aq)?

a)

0.400 M

b)

40 M

c)

4 M

d)

400 M

39.

(8A) Which compound is classified as an electrolyte?

a)

C6H12O6

b)

C12H22O11

c)

CH3OH

d)

HCl

40.

(8D) What are the products when KOH reacts with HBr?

a)

only KBr

b)

only H2O

c)

KBr and H2O

d)

NaCl and Cl2

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