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WorksheetsAcids and bases
Total questions: 10
Worksheet time: 12mins
Name
Class
Date
1.
Which has a pH above 7?
a)
Acid
b)
Base
2.
Turns litmus red
a)
Acids
b)
Bases
c)
All
3.
In a base phenolphthalein will give what color?
a)
Green
b)
Blue
c)
Pink
d)
Clear
4.
Which has a pH below 7?
a)
Acid
b)
Base
5.
Which of the following will conduct electricity? Select all that apply
a)
Acidic solutions
b)
Basic solutions
c)
Ionic solutions
d)
Neutral covalent solutions
6.
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.
7.
The pH of a solution is 2.0. What is the [OH-] concentration?
a)
1x10-12M
b)
12 M
c)
1x10-2M
d)
2 M
8.
Releases hydrogen in an aqueous solution.
a)
base
b)
strong base
c)
acid
d)
weak base
9.
HNO2
a)
a base
b)
a salt
c)
an acid
d)
an ionic compound
10.
Acids react with
a)
water to produce bases and salts
b)
salts to produce bases and water
c)
neither bases, salts nor water
d)
bases to produce salts and water
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