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Chem1 Acid Base Test Review

Total questions: 124

Worksheet time: 5hrs 23mins

Name
Class
Date
1.
Which of the following statements about acids is true?
a)
They taste sweet.
b)
They taste sour.
c)
They have a pH between 8-14.
2.
Which has a bitter taste?
a)

Base

b)

Acid

c)

Alloys

d)

Ions

3.
Which has a slippery texture?
a)
Acid
b)
Base
4.
Turns litmus red
a)
Acids
b)
Bases
c)
All
5.
In a neutralization reaction, what are the products of a reaction between an acid and a base?
a)
Another acid and base
b)
Carbon dioxide and a salt
c)
Water and a salt
d)
Either two acids or two bases
6.
When dissolved in water, acids produce:
a)
bases
b)
salts
c)
hydrogen ions
d)
hydroxide ions
7.
Which type of ion does a base produce when it is dissolved in water?
a)
oxide
b)
oxygen
c)
hydrogen
d)
hydroxide
8.
Burns
a)
acid
b)
base
c)
salt
9.
An acid can be neutralized by mixing it with -- 
a)
water
b)
a weaker acid
c)
salt
d)
a base
10.
A compound that changes color when in contact with an acid or a base is called --
a)
a base
b)
an indicator
c)
an ion
d)
a salt
11.
Acid + base --> ?
a)
salt + hydrogen gas + water
b)
salt + carbon dioxide + water
c)
salt + water
d)
salt only
12.

Which is an acid?

a)

Ca(OH)2

b)

HCl

c)

NaCl

d)

CO2

13.

Which is a base?

a)

Ca(OH)2

b)

HCl

c)

NaCl

d)

CO2

14.

Which is an electrolyte

a)

Acids

b)

Bases

c)

Both acids and bases

d)

Neither

15.

A solution is an acid if it has more...

a)

H+ ions

b)

H- ions

c)

OH+ ions

d)

OH- ions

16.

A solution is a base if it has more...

a)

H+ ions

b)

H- ions

c)

OH+ ions

d)

OH- ions

17.

Which of the following are acids?

a)

NaOH

b)

H2O

c)

H2SO4

d)

NaCl

e)

HC2H3O2

18.

Which of the following are bases?

a)

H2O

b)

NaOH

c)

HCO3

d)

Al(OH)3

e)

H2SO4

19.

According to the scale above, human blood is...

a)

Acidic

b)

Basic

c)

Neutral

20.
According to which theory is a base a substance which produces OH- ions in water?
a)
Arrhenius
b)
Bronsted-Lowry
c)
Lewis
21.
According to Arrhenius acid-base theory, an acid is....
a)
an H+ acceptor
b)
a H+ donor
c)
a substance that produces H+ in water
d)
anything with an H+
22.
What might happen if you mixed a strong acid with an equally strong base?
a)
You would see an explosive chemical reaction.
b)
The acid would destroy the base.
c)
The base would destroy the acid.
d)
You'd wind up with a pH-neutral substance.
23.
HSO4-(aq)+H2O(l)      →       H3O+(aq)+SO42-(aq)
Identify the Acid in the above reaction.
a)
HSO4-
b)
H2O
c)
H3O+
d)
SO42-
24.
A compound that donates H+ ions is 
a)
A Bronsted-Lowry Acid
b)
An Arrhenius Acid
c)
A Bronsted-Lowry Base
d)
An Arrhenius Base
25.
A substance that remains when a base has accepted an H+ ion is
a)
An acid
b)
A Base
c)
A Conjugate Acid
d)
A Conjugate Base
26.

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

HCl + NH3 --> Cl- + NH4+

a)

HCl

b)

NH3

c)

Cl-

d)

NH4+

27.

A sour taste is a characteristic of:

a)

acids

b)

bases

c)

neutral

d)

pH scale

28.

Which is a characteristic of a base?

a)

tastes sour

b)

found mostly in foods

c)

feels slippery

d)

turn litmus paper red

29.

According to Arrhenius, what is the definition of an ACID?

a)

a substance that contains hydroxide and ionizes to produce OH-

b)

a substance that contains hydrogen and ionizes to produce H+

c)

a substance that contains hydrogen and ionizes to produce OH-

d)

a substance that contains hydroxide and ionizes to produce H+

30.

NaOH is:

a)

an Arrhenius base

b)

an Arrhenius acid

c)

neither an acid nor a base

d)

both an acid and a base

31.
If a solution is basic which ion will be more present?
a)
H+
b)
K+
c)
OH-
d)
H-
32.

Which of the following will conduct electricity? Select all that apply

a)

Acidic solutions

b)

Basic solutions

c)

Ionic solutions

d)

Neutral covalent solutions

33.

Which of the following are properties of acids but not bases? Select all that apply.

a)

Changes the color of an indicator

b)

Sour taste

c)

Reacts with metals to produce hydrogen gas

d)

Feels slippery

34.

Neutralization is the process of an acid and a base reacting to form what? Select all that apply

a)

An ionic salt

b)

Hydronium ions

c)

NaCl

d)

Water

35.

When using the Arrhenius model, what types of ions indicate that a compound is a base?

a)

H+1

b)

OH-1

36.

What is a titration?

a)

when the moles of hydrogen ions is equal to the moles of hydroxide ions

b)

adding a known amount of solution of known concentration to determine the concentration of an unknown

c)

reaction in which an acid and a base react in an aqueous solution to produce a salt and water

d)

the extent of ionization of an acid or base

37.

Identify the products of the following reaction:

CaCO3 + 2HCl -->

a)

Calcium hydrogen carbonate and chlorine gas

b)

Calcium chloride and water

c)

Calcium oxide, carbon dioxide and water

d)

Calcium chloride, carbon dioxide and water

38.
The following statement is true for Lewis bases EXCEPT
a)
Lewis bases are nucleophiles
b)
Lewis bases are proton donors
c)
Lewis bases are electron pair donor
d)
Lewis bases are electron rich
39.

Four substances were tested for pH, lemon juice (pH 2), baking soda (pH 9), bleach (pH 12), and milk (pH 6). Which of the following correctly lists the substances from most basic to acidic?

a)

lemon juice, milk, baking soda, bleach

b)

bleach, baking soda, milk, lemon juice

c)

milk, lemon juice, baking soda, bleach

d)

baking soda, bleach, lemon juice, milk

40.

Which of these is a property of acidic solutions?

a)

they taste sour

b)

they feel slippery

c)

they are in many cleaning products

d)

they taste bitter

41.

Black coffee has a pH of 5. It is a ________ ____________

a)

Weak

b)

Strong

c)

Acid

d)

Base

42.

A sugar solution does not change the color of both blue and red litmus paper. This means the sugar solution is a ________.

a)

acid

b)

base

c)

neutral

43.

What type of reation occurs between an acid and a base?

a)

Combustion

b)

Synthesis

c)

Neutralization

d)

Double Replacement

44.

What are the products of a neutralization reactions

a)

water

b)

salt

c)

acid

d)

base

45.
A neutralization reaction will (almost) always produce...
a)
water & salt
b)
water
c)
salt
d)
water & carbon
46.

A type of chemical that forms solutions that taste sour, due to high concentrations of positive hydrogen ions

a)

acid

b)

base

c)

salt

d)

pH

47.

Scale that ranges from 1- 14

a)

acid

b)

base

c)

salt

d)

pH

48.

What is considered to be in the middle of the pH scale

a)

acidic

b)

neutral

c)

basic

d)

indicator

49.
If there is excess hydroxide ions, the solution will be...
a)
acidic
b)
basic
50.
If there is excess hydrogen ions, the solution will be...
a)
acidic
b)
basic
51.
Zn(OH)2 is an example of a...
a)
acid
b)
base
c)
salt
52.
H3PO4 is an example of a ...
a)
acid
b)
base
c)
salt
53.
Identify the salt in the following equation:
Zn(OH)2 + HNO3   ---> H2O  + Zn(NO3)2
a)
Zn(OH)2
b)
HNO3
c)
H2O
d)
Zn(NO3)2
54.

What is the endpoint of a titration

a)

Where the amount of acid and base are equal as shown by a color change

b)

Where there is no base

c)

When the volume of base in the burette is used up

d)

When there is no acid

55.
What do acids do to red litmus paper?
a)
Turn it Red 
b)
Turn it Blue
c)
Turn it Yellow
d)
Turn it Green
56.
What do bases do to red litmus paper?
a)
Turn it Red 
b)
Turn it Blue
c)
Turn it Yellow
d)
Turn it Green
57.
What do bases do to blue litmus paper?
a)
Turn it Red 
b)
Turn it Blue
c)
Turn it Yellow
d)
Turn it Green
58.
What do acids do to blue litmus paper?
a)
Turn it Red 
b)
Turn it Blue
c)
Turn it Yellow
d)
Turn it Green
59.
Have a bitter taste
a)
acid
b)
base
c)
neither
d)
both
60.
Feel slippery
a)
acid
b)
base
c)
neither
d)
both
61.
Which food is the most acidic?
a)
bananas
b)
lemon juice
c)
orange juice
d)
fish
62.
Which of the following is a base?
a)
orange juice
b)
water
c)
vinegar
d)
dishwashing detergent
63.
Which of the following statements is correct?
a)
Blue litmus paper turns red when placed in a base.
b)
Red litmus paper turns blue when placed in a base.
c)
Blue litmus paper stays blue when placed in an acid.
d)
Red litmus paper stays red when placed in a base.
64.
 Which of the following is an acid?
a)
shampoo
b)
baking soda
c)
orange juice
d)
water
65.

... are used to neutralise acid in the stomach.

a)

Toothpastes

b)

Bacterias

c)

Antacids

d)

More strong acids

66.
Pure water has a pH of 7. Pure water _______.
a)
is a base
b)
is a neutral substance
c)
could be either an acid or a base
d)
is an acid
67.
What is the name of the following: NaOH
a)
sodium hydroxide
b)
sodium oxide hydrogen
c)
hydrosodium acid
d)
sodium hydrogen oxide
68.
What is the name of the following acid: H2SO4
a)
hydrosulfuric acid
b)
sulfuric acid
c)
sulfurous acid
d)
persulfuric acid
69.

A substance that is 3 on the pH scale would be a(n):

a)

acid

b)

base

c)

neutral

d)

solute

70.
Which one of the following is an example of a base?
a)
orange juice
b)
dish soap
c)
vinegar
d)
lemons
71.

Since some acids seemingly "eat away" at metals, acids are ____.

a)

bitter

b)

sliipery

c)

corrosive

d)

weak

72.
What color does litmus paper turn in the presence of an acid?
a)
blue
b)
black
c)
green
d)
red
73.
Bases are located where on the pH scale?
a)
any number can be a base
b)
below 7
c)
above 7
d)
number 7 is a base
74.
Which of the following is NOT a characteristic of an acid?
a)
sour taste
b)
corrosive
c)
it feels slippery
d)
it can burn the skin
75.
A substance that is a 10 on the pH scale would be a(n) ____.
a)
acid
b)
neutral
c)
base
d)
indicator
76.
At what location on the pH scale can you find acids?
a)
number 7 on the pH scale is acidic
b)
below 7
c)
above 7
d)
you can find acids all throughout the scale
77.

Which of the following is neutral?

a)

milk

b)

soda

c)

orange juice

d)

pure water

78.

Taste bitter

a)

acids

b)

bases

c)

neutral

d)

pH paper

79.

According to the pH scale, which item is more acidic than lemons?

a)

battery

b)

vinegar

c)

milk

d)

blood

80.

According to the pH scale, which item is a stronger base than soap?

a)

baking soda

b)

ammonia solution

c)

tomato

d)

bleach

81.
What is the formula for hydrochloric acid?
a)
HCl
b)
HClO
c)
H3ClO3
d)
HClO3
82.
What is the formula for nitric acid?
a)
HNO2
b)
HNO3
c)
HNO4
d)
H2NO3
83.
Name the acid: HC2H3O2
a)
Acetic Acid
b)
Acetous Acid
c)
Hydrogen Acetate
d)
Hydrogen Dicarbon Trihydrogen Dioxygen
84.
carbonic acid
a)
H2CO3
b)
H2CrO4
c)
H2C2O4
d)
HCO3
85.

H3PO4

a)

hydrophsophorus acid

b)

phosphoric acid

c)

hydrogen phosphorous

d)

phosphori hydroxide

86.

Produces a salt and water in a neutralization reaction

a)

acid

b)

base

c)

both an acid and a base

87.

Reacts with metals

a)

acid

b)

base

c)

both acid and base

88.

Conducts electricity (has electrolytes)

a)

acid

b)

base

c)

both an acid and a base

89.

orange juice

a)

acid

b)

base

c)

both an acid and a base

90.

Soap

a)

acid

b)

base

c)

an acid and a base

91.
What is the conjugate acid in the following equation?
a)
PO43- 
b)
HNO3 
c)
NO3- 
d)
HPO42-
92.
What is the conjugate base in the following reaction?
a)
HCO3- 
b)
HCl
c)
 H2CO3 
d)
Cl-
93.
HSO4-(aq)+H2O(l)      →       H3O+(aq)+SO42-(aq)
Identify the Acid in the above reaction.
a)
HSO4-
b)
H2O
c)
H3O+
d)
SO42-
94.
CO32-(aq)+H2O(l)      →              HCO3-(aq)+OH-(aq)
Using the above reaction, which compound is the conjugate base?
a)
CO32-
b)
H2O
c)
HCO3-
d)
OH-
95.
A compound that donates H+ ions is 
a)
A Bronsted-Lowry Acid
b)
An Arrhenius Acid
c)
A Bronsted-Lowry Base
d)
An Arrhenius Base
96.
A substance that remains when a base has accepted an H+ ion is
a)
An acid
b)
A Base
c)
A Conjugate Acid
d)
A Conjugate Base
97.
Which of the following is transferred between a conjugate acid-base pair?
a)
An Electron
b)
A OH- ion
c)
A Proton
d)
A Neutron
98.
If a solution is basic which ion will be more present?
a)
H+
b)
K+
c)
OH-
d)
H-
99.

According to one acid-base theory, the NH3(g) molecules act as

a)

an acid because they accept H+ ions

b)

an acid because they donate H+ ions

c)

a base because they accept H+ ions

d)

a base because they donate H+ ions

100.

According to one acid-base theory, the water acts as

a)

a base because it accepts an H+

b)

a base because it donates an H+

c)

an acid because it accepts an H+

d)

an acid because it donates an H+

101.

Phenothalein when added to base

a)

remains colorless

b)

turns orange

c)

turns pink

d)

I don't know

102.
Litmus paper is an indicator of acids and bases, it turns red for bases.
a)
True
b)
false
103.
Bases will turn litmus paper __________, while acids will turn litmus paper __________.
a)
blue.....red
b)
red.....blue
c)
pink.........colourless
d)
colourless..........pink
104.
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
105.
What is a substance that is one color in an acid and another color in a base? 
a)
Oxidizer
b)
Indicator
106.
What color does litmus paper turn in the presence of an acid?
a)
Red
b)
Blue
107.
The pH of a strong acid would be:
a)
1-2
b)
5-6
c)
8-9
d)
12-13
108.
The pH of a strong base would be:
a)
1-2
b)
5-6
c)
8-9
d)
13-14
109.
The pH of a weak base would be:
a)
1-2
b)
5-6
c)
8-9
d)
12-13
110.
The pH of a weak acid would be:
a)
1-2
b)
5-6
c)
8-9
d)
12-13
111.
According to the image, the substance tested is a...
a)
Acid
b)
Neutral
c)
Strong Acid
d)
Base
112.
According to the image, the substance tested is a...
a)
Acid
b)
Base
c)
Neutral
d)
Strong Acid
113.
Examine the results (color change) of the pH paper shown in the picture.  What type of substance was tested?
a)
an acid
b)
a base
c)
a neutral substance
d)
none of the above
114.
One benefit of pH paper is that it...
a)
Tells you the pH of a substance
b)
Only tells you if a substance is an acid or a base
c)
It is very accurate
d)
It is expensive
115.
One benefit of litmus paper is that it...
a)
Tells you the pH of a substance
b)
It is inexpensive
c)
It connects to a computer
d)
You can make it with materials you have at home
116.
One benefit of Red Cabbage Juice Indicator is that it...
a)
Tells you the exact pH 
b)
Is very accurate
c)
It is very expensive
d)
It can be made from materials you have at home
117.
One drawback of pH paper is that it
a)
Only tells you if a substance is an acid or a base
b)
is very expensive
c)
has to be connected to a computer
d)
is not very accurate
118.
One drawback of litmus paper is that it
a)
Only tells you if a substance is an acid or a base
b)
is very expensive
c)
is messy
d)
has to be connected to a computer
119.
One drawback to a pH Meter is that it
a)
Is very expensive
b)
is not very accurate
c)
only tells you if a substance is an acid or a base
d)
is messy
120.
One benefit of a pH Meter is that it
a)
is very expensive
b)
only tells you if a substance is an acid or a base
c)
is very accurate
d)
can be made from substances you have at home
121.
What is the pH of the substance being tested?
a)
2
b)
4
c)
6
d)
8
122.
How would you classify the substance being tested?
a)
Acid
b)
Base
c)
Both
d)
Neither
123.

The table shows the pH of several solutions. Which solution has the greatest concentration (amount) of H+ ions?

a)

vinegar

b)

milk

c)

water

d)

bleach

124.

What would be the two new compounds that would be formed in this reaction?

HCl + NaOH -> ______? + ______?

a)

NaCl

b)

ClOH

c)

HNa

d)

H2O

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