WorksheetsTest pH of Household Chemicals
Total questions: 21
Worksheet time: 11mins
Name
Class
Date
1.
Litmus paper is an indicator of acids and bases, it turns red for bases.
a)
True
b)
false
2.
Bases will turn litmus paper __________, while acids will turn litmus paper __________.
a)
blue.....red
b)
red.....blue
c)
pink.........colourless
d)
colourless..........pink
3.
An indicator will ______________ when it is in contact with an acid or base
a)
Bubble
b)
Form a new substance
c)
Change color
d)
Stay the same color
4.
What is a substance that is one color in an acid and another color in a base?
a)
Oxidizer
b)
Indicator
5.
What color does litmus paper turn in the presence of an acid?
a)
Red
b)
Blue
6.
The pH of a strong acid would be:
a)
1-2
b)
5-6
c)
8-9
d)
12-13
7.
The pH of a strong base would be:
a)
1-2
b)
5-6
c)
8-9
d)
13-14
8.
The pH of a weak base would be:
a)
1-2
b)
5-6
c)
8-9
d)
12-13
9.
The pH of a weak acid would be:
a)
1-2
b)
5-6
c)
8-9
d)
12-13
10.
According to the image, the substance tested is a...
a)
Acid
b)
Neutral
c)
Strong Acid
d)
Base
11.
According to the image, the substance tested is a...
a)
Acid
b)
Base
c)
Neutral
d)
Strong Acid
12.
Examine the results (color change) of the pH paper shown in the picture. What type of substance was tested?
a)
an acid
b)
a base
c)
a neutral substance
d)
none of the above
13.
One benefit of pH paper is that it...
a)
Tells you the pH of a substance
b)
Only tells you if a substance is an acid or a base
c)
It is very accurate
d)
It is expensive
14.
One benefit of litmus paper is that it...
a)
Tells you the pH of a substance
b)
It is inexpensive
c)
It connects to a computer
d)
You can make it with materials you have at home
15.
One benefit of Red Cabbage Juice Indicator is that it...
a)
Tells you the exact pH
b)
Is very accurate
c)
It is very expensive
d)
It can be made from materials you have at home
16.
One drawback of pH paper is that it
a)
Only tells you if a substance is an acid or a base
b)
is very expensive
c)
has to be connected to a computer
d)
is not very accurate
17.
One drawback of litmus paper is that it
a)
Only tells you if a substance is an acid or a base
b)
is very expensive
c)
is messy
d)
has to be connected to a computer
18.
One drawback to a pH Meter is that it
a)
Is very expensive
b)
is not very accurate
c)
only tells you if a substance is an acid or a base
d)
is messy
19.
One benefit of a pH Meter is that it
a)
is very expensive
b)
only tells you if a substance is an acid or a base
c)
is very accurate
d)
can be made from substances you have at home
20.
What is the pH of the substance being tested?
a)
2
b)
4
c)
6
d)
8
21.
How would you classify the substance being tested?
a)
Acid
b)
Base
c)
Both
d)
Neither
100 %
