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WorksheetsNational 5 Chemistry - Unit 1 - Acids and Bases
Total questions: 15
Worksheet time: 22mins
Name
Class
Date
1.
Which ion determines a base?
a)
H+
b)
OH-
c)
OH+
d)
CO32-
2.
What is the pH of an extremely strong acid?
a)
pH 0
b)
pH 7
c)
pH 13
d)
pH 2
3.
Solutions that have more OH– ions than H+ ions are
a)
acids
b)
bases
c)
enzymes
d)
neutral
4.
Solutions that have more H+ ions than OH- ions are
a)
acids
b)
bases
c)
enzymes
d)
neutral
5.
Which has a pH below 7?
a)
Acid
b)
Base
6.
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
7.
What other laboratory substance can you use to test if colourless substance is an acid or an alkali?
a)
Catalyst
b)
Salt
c)
Universal Indicator
d)
Water
8.
What happens to the pH of an acid during neutralisation?
a)
It stays the same
b)
It moves toward pH 1
c)
It moves towards pH 7
d)
It moves towards pH 14
9.
What salt is produced if you react sodium hydroxide with hydrochloric acid?
a)
sodium hydroxide
b)
sodium sulfate
c)
sodium nitrate
d)
sodium chloride
10.
A salt is formed when nitric acid combines with sodium hydroxide. What is the name of the salt?
a)
Sodium chloride
b)
Sodium nitrate
c)
Hydrogen Nitrate
d)
Nirate
11.
The products of a neutralisation reaction are lithium sulfate and water. What is the name of the acid used to neutralise the alkali lithium hydroxide?
a)
hydrochloric acid
b)
sulfuric acid
c)
nitric acid
d)
phosphoric acid
12.
Which reactants are used to produce sodium chloride (salt and water)
a)
sodium hydroxide and nitric acid
b)
sodium hydroxide and sulfuric acid
c)
sodium hydroxide and phosphoric acid
d)
sodium hydroxide and hydrochloric acid
13.
hydrochloric acid
a)
HCl
b)
HClO
c)
H3ClO3
d)
HClO3
14.
nitric acid
a)
HNO2
b)
HNO3
c)
HNO4
d)
H2NO3
15.
sulfuric acid
a)
HSO3
b)
H2SO3
c)
H2SO4
d)
H3SO4
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