WorksheetsC5 Chemical changes Trilogy AQA #ForestHorsham
Total questions: 31
Worksheet time: 30mins
Name
Class
Date
1.
How can you tell that a metal is reacting with water?
a)
Colour change
b)
Bright light
c)
Fizzing
d)
It gets colder
2.
What gas is always produced when a metal reacts with water?
a)
Oxygen
b)
Carbon Dioxide
c)
Hydrogen
d)
Carbon Monoxide
3.
What else is produced when a metal reacts with water? (HINT: Water has the formula H2O)
a)
Metal Oxide
b)
Metal Carbonate
c)
Metal Hydride
d)
Metal Hydroxide
4.
When the alkali metals react with water, which reacts most vigorously?
a)
Francium
b)
Rubidium
c)
Potassium
d)
Sodium
5.
Metals can also react with acids. This produces a gas. What is the name of this gas?
a)
Hydrogen
b)
Carbon Dioxide
c)
Nitrogen
d)
Oxygen
6.
As well as a gas, there is another product made when an acid reacts with a metal. What is the name for this?
a)
Salt
b)
Water
c)
Alkali
d)
Carbon
7.
When sodium reacts with hydrochloric acid, what is the name of the salt formed?
a)
Sodium Hydride
b)
Sodium Chloride
c)
Sodium Hydrochloric
d)
Sodium Chlorine
8.
When potassium reacts with sulphuric acid, what is the name of the salt produced?
a)
Potassium Sulphide
b)
Potassium Sulphur
c)
Potassium Sulphuric
d)
Potassium Sulphate
9.
When a metal salt reacts with a more reactive salt, what sort of reaction occurs?
a)
Displacement
b)
Neutralisation
c)
Combustion
d)
No Reaction
10.
When magnesium reacts with copper sulphate, there are two products. What are they?
a)
Magnesium and Copper
b)
Magnesium Sulphate and Copper
c)
Magnesium Sulphate and Copper Sulphate
d)
Magnesium and Copper Sulphate
11.
When copper and magnesium sulphate are mixed together, there is no reaction. Why?
a)
Magnesium is more reactive than copper
b)
Copper is more reactive than magnesium
c)
Copper never reacts with metal salts
d)
Magnesium Sulphate never reacts with metals
12.
In order to make use of the many useful properties of metals, we need to extract them so that they are in their pure form. A common way of extracting many of the less reactive metals is to heat their minerals with what?
a)
Carbon
b)
Helium
c)
Oxygen
d)
Silicon
13.
Copper + Oxygen -->
a)
Copper Oxide
b)
Copper Oxate
c)
Oxygen Copperate
d)
Oxygen Coppide
14.
a)
A
b)
B
c)
C
d)
D
15.
a)
A
b)
B
c)
C
d)
D
16.
a)
Aluminium
b)
Iron
c)
Lead
d)
Copper
17.
a)
A
b)
B
c)
C
d)
D
18.
a)
A
b)
B
c)
C
d)
D
19.
a)
Aluminium has a low density and is a good conductor of electricity
b)
Porcelain is a good conductor of electricity
c)
Steel can rust in damp air
d)
Steel is more dense than aluminium
20.
a)
A
b)
B
c)
C
d)
D
21.
Which metal is more reactive than calcium?
a)
magnesium
b)
potassium
c)
silver
d)
aluminum
22.
Which of the following is MOST reactive?
a)
Magnesium
b)
Lead
c)
Tin
d)
Copper
e)
Zinc
23.
Lead can be obtained by heating a mixture of lead oxide and carbon. This reaction takes place because carbon
a)
is a fuel
b)
is a non-metal
c)
acts as a catalyst
d)
is more reactive than lead
24.
Aluminium cannot be extracted from its ore by heating aluminium oxide with carbon. What is the reason?
a)
Aluminium absorbs too much heat
b)
Carbon acts as a catalyst
c)
Aluminium is more reactive than carbon
d)
Aluminium is a metal whereas carbon is a non-metals
25.
What is an ore?
a)
a solid metal
b)
a rock cantaining a metal combined with other elements
c)
an element
d)
an object used to row a boat
26.
Which series is used to predict the reactions of metals with carbon and other elements?
a)
reactionary series
b)
reaction series
c)
redox series
d)
reactivity series
27.
Choose the least reactive metal
a)
calcium
b)
magnesium
c)
iron
d)
copper
28.
Which of these elements is unlikely to be found native?
a)
gold
b)
platinum
c)
aluminium
d)
silver
29.
What is the removal of oxygen from a substance called?
a)
reduction
b)
extraction
c)
electrolysis
d)
oxidation
30.
What is the name of the process that uses electricity to separate the elements in a compound?
a)
reduction
b)
electrolysis
c)
extraction
d)
mining
31.
How could you extract sodium from molten sodium chloride?
a)
reduction by carbon
b)
electrolysis
c)
decomposition
d)
oxidation
100 %
