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WorksheetsAcids and Bases Test Review
Total questions: 30
Worksheet time: 24mins
Name
Class
Date
1.
If a substance has a pH of 10 it is considered
a)
Acidic
b)
Basic
c)
Neutral
2.
Acids produce _________ ions when they break down or dissocciate.
a)
Hydroxide (OH-)
b)
Water
c)
Chlorine (Cl-)
d)
Hydrogen (H+)
3.
Bases release ____________ ions when they break down or dissociate.
a)
Hydrogen (H+)
b)
Hydroxide (OH-)
c)
Chlorine (Cl-)
d)
no
4.
The pH scale ranges from ____________.
a)
0-7
b)
1-100
c)
1-20
d)
0-14
5.
A(n) ______ is a substance with a pH less than 7
a)
Acid
b)
Alkaline
c)
Base
d)
Buffer
6.
A(n) _______ is a substance with a pH greater than 7.
a)
Base
b)
Acid
c)
Buffer
d)
Water
7.
What is the only substance with a neutral pH of 7?
a)
Milk
b)
Orange Juice
c)
Water
d)
Blood
8.
A solution with a pH of 3.6 would be...
a)
Acid
b)
Base
c)
Neutral
d)
Acid and Base
9.
A solution with a pH of 8.6 would be...
a)
Acid
b)
Base
c)
Neutral
d)
Acid and Base
10.
A solution with a pH of 7.0 would be...
a)
Acid
b)
Base
c)
Neutral
d)
Acid and Base
11.
The pH scale is based off of the concentration of _________ ions.
a)
Oxygen
b)
Hydronium (H+)
c)
Nitrogen
d)
None of the others
12.
According to the pH range which substance is more acidic than lemon juice
a)
Hydrochloric acid
b)
cabbage
c)
milk
13.
The esophagus is the tube that connects the mouth to the stomach. Heartburn occurs when some of the stomach juices flow backwards up the esophagus. To help relieve heartburn, a person should take medicine that is
a)
neutral
b)
basic
c)
acidic or basic.
acidic or basic.
d)
acidic
14.
If an acid is combined with a base of equal strength, the result will most likely be
a)
a neutral solution.
b)
a stronger acid.
c)
impossible to tell without testing the pH.
d)
a stronger base
15.
Which of the following is a base?
a)
orange juice
b)
water
c)
vinegar
d)
dishwashing detergent
16.
Litmus paper can be used to determine the _______ of a substance.
a)
relative volume
b)
temperature
c)
relative pH
d)
chemical formula
17.
Which of the following is an acid?
a)
shampoo
b)
baking soda
c)
orange juice
d)
water
18.
The pH of a solution is tested, and it is found to be a basic solution. Of the following choices, what could the pH have been?
a)
3
b)
9
c)
7
d)
5
19.
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
20.
Many cleaning solutions are bases. Which of the following is a property of most bases?
a)
feels slippery
b)
white color
c)
can only be liquid
d)
tastes sour
21.
Acids are what range on the pH scale?
a)
0-14
b)
0-6.99
c)
7
d)
7.1-14
22.
Bases are what range on the pH scale?
a)
0-6.99
b)
7
c)
7.1-14
d)
0-14
23.
When found in food, acids are ________
a)
Sour
b)
Bitter
c)
Salty
d)
Slippery
24.
When found in food, bases are _______.
a)
Sour
b)
Bitter
c)
Salty
d)
Soggy
25.
Which of the following substances is basic?
a)
Apple juice
b)
Ginger ale
c)
Baking soda
d)
Distilled water
26.
On the pH scale, acids are ___ ___ 7, while bases are ___ ___ 7.
a)
greater than / less than
b)
less than / greater than
27.
When you combine an acid with a base it produces ___.
a)
a huge explosion
b)
a very dangerous gas
c)
a salt and water
28.
What is the pH of a solution that has a [H+] of 2.5 x 10-5?
a)
4.60
b)
5.0
c)
2.5
d)
7
29.
What is the pH of a solution where the [H+] is 1.0 x 10-11?
a)
11
b)
13
c)
14
d)
1
30.
Neutralization forms both
a)
acid and base
b)
salt and water
c)
acid and water
d)
salt and base
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