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Worksheetsthe pH scale
Total questions: 22
Worksheet time: 11mins
Name
Class
Date
1.
The pH scale is a range from:
a)
1-7
b)
0-14
c)
1-14
d)
1-20
2.
A(n) ______ is a substance with a pH less than 7
a)
Acid
b)
Alkaline
c)
Base
d)
Buffer
3.
A(n) _______ is a substance with a pH greater than 7.
a)
Base
b)
Acid
c)
Buffer
d)
Water
4.
What is the only substance with a neutral pH of 7?
a)
Milk
b)
Orange Juice
c)
Water
d)
Blood
5.
A solution with a pH of 3.6 would be...
a)
Acid
b)
Base
c)
Neutral
d)
Acid and Base
6.
A solution with a pH of 8.6 would be...
a)
Acid
b)
Base
c)
Neutral
d)
Acid and Base
7.
Tastes Sour
a)
Acids
b)
Bases
c)
Salts
d)
All
8.
Tastes bitter.
a)
Acids
b)
Bases
c)
Salts
d)
All
9.
According to the pH range which substance is more acidic than lemon juice
a)
Hydrochloric acid
b)
cabbage
c)
milk
10.
Bleach is a strong base, what is the pH level of bleach?
a)
13
b)
14
c)
1
d)
2
11.
Feels slippery.
a)
Acids
b)
Bases
c)
All
12.
In a basic solution, red litmus paper will turn...
a)
Blue
b)
No Change
13.
In an acidic solution, blue litmus paper will turn...
a)
red
b)
No change
14.
Is this substance acidic, basic, or neutral?
a)
Acidic
b)
Basic
c)
Neutral
15.
Is this substance acidic, basic, or neutral?
a)
Acidic
b)
Basic
c)
Neutral
16.
Ca(OH)2 is an example of a(n)
a)
Acid
b)
Base
c)
Neutral
17.
A solution with a pH of 7.0 would have...
a)
more H ions than OH ions
b)
more OH ions than H ions
c)
equal number of H and OH ions
d)
None of these.
18.
A substance with a pH of 2 would be considered...
a)
acidic
b)
alkaline
c)
neutral
19.
In order to be considered a solution with a neutral pH, it would have to have a pH value of...
a)
5
b)
7
c)
10
20.
A substance with a pH of 2 is __________ acidic than a substance with a pH of 5.
a)
less
b)
more
21.
A substance with a pH of 10 is __________ alkaline than a substance with a pH of 8.
a)
less
b)
more
22.
Which of the following instruments used to measure pH is the MOST accurate?
a)
Litmus paper
b)
pH meter
c)
Universal Indicator
d)
pH paper
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