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WorksheetspH value
Total questions: 11
Worksheet time: 6mins
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.
A solution with a pH of 3.6 would be...
a)
Acid
b)
Base
c)
Neutral
d)
Acid and Base
5.
A solution with a pH of 8.6 would be...
a)
Acid
b)
Base
c)
Neutral
d)
Acid and Base
6.
According to the pH range which substance is more acidic than lemon juice
a)
Hydrochloric acid
b)
cabbage
c)
milk
7.
Bleach is a strong base, what is the pH level of bleach?
a)
13
b)
14
c)
1
d)
2
8.
Ca(OH)2 is an example of a(n)
a)
Acid
b)
Base
c)
Neutral
9.
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.
10.
The hydroxide ion concentration of an alkali, MOH is 0.03 mol dm-3. What is the pH of this alkali solution?
a)
1.5
b)
1.0
c)
12.5
d)
10.7
11.
An acid HX has a pH value of 1.5. What is the concentration of hydrogen ions, H+ in this acid in mol dm-3?
a)
0.032
b)
1.500
c)
0.049
d)
0.015
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