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WorksheetsAcids, Bases, and pH Scale
Total questions: 23
Worksheet time: 11mins
Name
Class
Date
1.
pH stands for:
a)
Potency of hydrogen
b)
Plurality of hydrogen
c)
Potential of hydrogen
d)
Pleurisy of hydrogen
2.
Pure water is _______ on the pH scale.
a)
Acid
b)
Base
c)
Neutral
3.
What is the range of pH values in an acidic solution?
a)
0-6
b)
8-14
c)
15-239058204958
d)
pH = 7
4.
If the pH of a solution is 9, it is a....
a)
acid
b)
base
c)
both
d)
none
5.
Litmus paper can be used to determine the _______ of a substance.
a)
relative volume
b)
temperature
c)
relative pH
d)
chemical formula
6.
What is the range of pH values in an alkali (basic) solution?
a)
0-6
b)
8-14
c)
15-239058204958
d)
pH = 7
7.
Which is the stronger acid?
a)
pH 1
b)
pH 4
c)
pH 8
d)
pH 13
8.
Which of the following substances is basic?
a)
Apple juice
b)
Ginger ale
c)
Baking soda
d)
Distilled water
9.
How do acidic solutions taste?
a)
Delicious
b)
Sweet
c)
Bitter
d)
Sour
10.
What is a property of bases?
a)
Slippery touch
b)
Sour taste
c)
Ability to dissolve metal
d)
Ability to form hydronium ions
11.
A(n) ______ is a substance with a pH less than 7
a)
Acid
b)
Alkaline
c)
Base
d)
Buffer
12.
A(n) _______ is a substance with a pH greater than 7.
a)
Base
b)
Acid
c)
Buffer
d)
Water
13.
Which solution releases H+ in solution?
a)
Base
b)
Acid
c)
Buffer
d)
Water
14.
This substance releases OH- into solution
a)
Acid
b)
Base
c)
Neutral
15.
Lemon juice is an example of __________
a)
A base
b)
An acid
c)
A neutral substance
16.
What color does acid turn litmus paper?
a)
It turns litmus paper purple.
b)
It turns red litmus paper blue.
c)
It turns blue litmus paper blue.
d)
It turns blue litmus paper red.
17.
What color does bases turn litmus paper?
a)
It turns litmus paper purple.
b)
It turns blue litmus paper red.
c)
It turns red litmus paper blue.
d)
It turns red litmus paper re
18.
What does corrosive mean?
a)
That a substance is a strong base.
b)
That a substance is neutral.
c)
That a substance can easily wear away
d)
The substance is the strongest acid
19.
What are properties of acids?
a)
Bitter, slippery, ph above 7
b)
Sour, reacts with metals, ph below 7
c)
Sour, reacts with metals, ph above 7
d)
Bitter, ph of 7, does not react with metals
20.
What are properties of a base?
a)
Slippery, bitter, does not react with metals, pH above 7.
b)
Slippery, bitter, reacts with metals, pH below 7.
c)
Sour, reacts with metals, pH below 7
d)
Sour, reacts with metals, pH above 7.
21.
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
22.
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
23.
Where would you say you are on the learning scale ? there is no wrong answer- just be honest!
a)
I've got this! I am at a 4! I can describe what happens when an acid and a base are mixed and explain it to others.
b)
I am at a 3! I can classify an unknown substance as an acid/base/neutral based on its pH.
c)
I am getting better but am only at a 2 - I can recognize or recall specific vocabulary and/or concepts, such as:
Acid, Base, pH Scale, Neutral, Salt
d)
I am still at a 1 - I can recognize how the scale is organized.
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