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WorksheetsAcid and Base
Total questions: 20
Worksheet time: 12mins
Name
Class
Date
1.
Which of the following substances contain acid?
a)
An orange
b)
Bleach
c)
Distilled water
d)
Washing powder
2.
Which of the following substances contain an alkali?
a)
Baking powder
b)
Coca cola
c)
Distilled water
d)
Vinegar
3.
Which of the following pH numbers indicates a neutral substance?
a)
1
b)
5
c)
7
d)
14
4.
Which of the following pH numbers indicates a strong acid?
a)
1
b)
5
c)
7
d)
14
5.
Which of the following pH numbers indicate a strong alkali?
a)
1
b)
5
c)
7
d)
14
6.
What is the pH of pure water?
a)
pH 7
b)
pH 3
c)
pH 12
d)
pH 8
7.
What two substance are formed when an acid and alkali react together in equal amounts?
a)
Salt and water
b)
Alkali and water
c)
Acid and water
d)
Acid and alkali
8.
What substance could you use to test if a substance is an acid or alkali?
a)
Indicator
b)
Salt
c)
Catalyst
d)
Water
9.
When found in food, acids are ________
a)
Sour
b)
Bitter
c)
Salty
d)
Slippery
10.
When dissolved in water, acids produce:
a)
bases
b)
salts
c)
hydrogen (H+) ions
d)
hydroxide (OH-) ions
11.
A common alkali used in the lab is
a)
hydrochloric acid
b)
sodium chloride
c)
hydrogen sulphate
d)
sodium hydroxide
12.
The pH scale is a range from:
a)
1-7
b)
0-14
c)
1-14
d)
1-20
13.
Acid in vinegar:
a)
Hydrochloric acid
b)
Sulfuric acid
c)
Acetic acid
d)
Carbonic acid
14.
When dissolved in water, bases produce:
a)
bases
b)
salts
c)
hydrogen (H+) ions
d)
hydroxide (OH-) ions
15.
Which of the following is not the properties of alkalis?
a)
Slipery
b)
Have a pH less than 7
c)
The pH scale of alkalis from 8 - 14
d)
Corrosive
16.
Which of the following is acid?
a)
b)
c)
17.
Which of the following is alkali?
a)
b)
c)
18.
Which of the following is neutral?
a)
b)
c)
19.
Acid + Alkali → .... + Water
a)
Hydrogen
b)
Water
c)
Carbon dioxide
d)
Salt
20.
Reaction between acid and alkali producing salt and water:
a)
Combustion
b)
Neutralization
c)
Precipitation
d)
Decomposition
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