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Acid Base quiz review

Total questions: 44

Worksheet time: 31mins

Name
Class
Date
1.

A student describes a liquid as feeling slippery. The student places red litmus paper into the liquid, and the paper turns blue. What can the student conclude

from these observations?

a)

The substance is likely a nonmetal

b)

The substance is likely a metal

c)

The substance is likely a base

d)

The substance is likely an acid.

2.

Why is KOH considered to be an Arrhenius base?

a)

It produces OH+ ions in solution.

b)

It produces H– ions in solution.

c)

It produces H+ ions in solution.

d)

It produces OH– ions in solution.

3.

Which is a characteristic of a strong

acid?

a)

It has a pH greater than 7.

b)

It completely ionizes in solution

c)

It contains many hydroxide ions.

d)

It reacts only with a strong base.

4.
Ammonia has a pH of 12.  Ammonia is __________.
a)
an acid
b)
a base
c)
an element
d)
a metal
5.
Soap is a weak base.  What is true about the taste of bases?
a)
they taste sour
b)
they taste sweet
c)
they taste bitter
d)
they taste salty
6.
Explain what happens when a strong acid and a strong base are poured into the same container.
a)
they form separate layers
b)
they mix physically but not chemically
c)
they break apart into separate elements
d)
they react chemically to form a salt
7.
When dissolved in water, bases produce:
a)
acids
b)
salts
c)
hydrogen ions
d)
hydroxide ions
8.
Which of these solutions is an acid?
a)
Dish Soap: pH of 12
b)
Tomato Soup: pH of 4
c)
Baking Soda: pH of 9
d)
Drain Cleaner: pH of 14
9.
The pH of vinegar is 2.5.  Vinegar is a _____________.
a)
strong acid
b)
strong base
c)
weak base
d)
weak acid
10.
Which of the following is true about acids and bases?
a)
The lower the pH, the stronger the acid
b)
the higher the pH, the stronger the acid
c)
The lower the pH, the more neutral the acid
d)
The higher the pH, the weaker the base
11.
Which statement is true when acids and bases are mixed together?
a)
acids become stronger
b)
bases become stronger
c)
there is no change
d)
they neutralize each other
12.
What is the pH of water?
a)
0
b)
4
c)
7
d)
14
13.
Williams collected a rain sample and measured its pH to be 5.6.  What does this mean?
a)
the rain water is a weak base
b)
the rain water is neutral
c)
the rain water is a strong acid
d)
the rain water is a weak acid
14.
What does a pH of 1 indicate about a liquid?
a)
it is a very strong base
b)
it is a weak base 
c)
it is a weak acid
d)
it is a strong acid
15.
Litmus paper can tell you if a solution is acidic, neutral or basic by changing color when placed in a solution.  If you test a base with litmus paper, it will turn ____________.
a)
purple
b)
red
c)
blue
d)
pink
16.
What is the pH of a neutral substance?
a)
0
b)
5
c)
7
d)
10
17.
When dissolved in water, acids produce:
a)
bases
b)
salts
c)
hydrogen ions
d)
hydroxide ions
18.
Ammonia has a pH of 12.  Ammonia is __________.
a)
an acid
b)
a base
c)
an element
d)
a metal
19.

In the following reaction, which substance acts as a Brønsted-Lowry acid?
HCl       + NH3    ⟶\longrightarrow      NH4+      +     Cl-

a)

HCl

b)

NH3

c)

NH4+

d)

Cl–

20.

In the following reaction, which substance acts as a Brønsted-Lowry base?
HCl     +     NH3            ⟶\longrightarrow         NH4+ + Cl-

a)

HCl

b)

NH3

c)

NH4+

d)

Cl–

21.

A substance that increases the concentration of OH- ions in an aqueous solution is known as a(n)

a)

Arrhenius acid.

b)

Arrhenius base.

c)

Lewis acid.

d)

Lewis base.

22.

Which of the following is an Arrhenius Base?

a)

HNO3

b)

Ba(OH)2

c)

NH4+

d)

H2O

23.

Which of the following is an Arrhenius Base?

a)

LiOH

b)

CO32-

c)

C2H3O2-

d)

H3PO4

24.

Given the information from the previous three questions, what is NH4+ classified as?

a)

Acid

b)

Base

c)

Conjugate Acid

d)

Conjugate Base

25.

A sour taste is a characteristic of:

a)

acids

b)

bases

c)

neutral

d)

pH scale

26.

According to Bronsted-Lowry, what is the definition of an BASE?

a)

a substance that donates a hydrogen (H+) ion

b)

a substance that donates a hydroxide (OH-) ion

c)

a substance that accepts a hydrogen (H+) ion

d)

a substance that accepts a hydroxide (OH-) ion

27.

What is the conjugate base in the following reaction?

a)

HCO3-

b)

HCl

c)

H2CO3

d)

Cl-

28.
What is the conjugate acid in the following equation?
a)
PO43- 
b)
HNO3 
c)
NO3- 
d)
HPO42-
29.

An arrhenius acid

a)

produces hydroxide ions in a solution

b)

is a proton donor

c)

produces hydrogen ions in a solution

d)

is a proton acceptor

30.

An arrhenius base

a)

produces hydroxide ions in a solution

b)

is a proton donor

c)

produces hydrogen ions in a solution

d)

is a proton acceptor

31.
bromic acid
a)
HBr
b)
HBrO2
c)
HBrO3
d)
H3BrO3
32.
hydrochloric acid
a)
HCl
b)
HClO
c)
H3ClO3
d)
HClO3
33.
nitric acid
a)
HNO2
b)
HNO3
c)
HNO4
d)
H2NO3
34.
sulfuric acid
a)
HSO3
b)
H2SO3
c)
H2SO4
d)
H3SO4
35.
 H3PO4
a)
hydrophosphoric acid
b)
phosphorous acid
c)
phosphoric acid
d)
phosphoric hydroxide
36.
Mg(OH)2
a)
magnesium hydroxide acid
b)
hydromagnesium acid
c)
magnesium oxygen hydride
d)
magnesium hydroxide
37.
Barium hydroxide
a)
BaOH
b)
Ba2OH
c)
Ba(OH)2
38.
Hydroiodic acid
a)
H2I2
b)
H1I1
c)
HI
39.
NaOH
a)
sodium oxide
b)
sodium hydrogen
c)
sodium hydroxide
40.
HF
a)
hydrofluoric acid
b)
Hypofluoric acid
c)
hydrogen fluorine acid
41.
HNO2
a)
hydronitrogen
b)
hydrogen nitrogen oxygen
c)
nitrous acid
d)
nitric acid
42.
HBr
a)
hydrogen bromine acid
b)
hydrobromide acid
c)
hydrobromic acid
43.
Is the following compound an acid or a base? 
Ca(OH)2
a)
Acid
b)
Base
44.
Potassium hydroxide
a)
KOH
b)
K2OH
c)
k(OH)2

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