WorksheetsExtracting Metals
Total questions: 36
Worksheet time: 23mins
Name
Class
Date
1.
Name a metal that reacts vigorously with cold water.
a)
potassium
b)
copper
c)
iron
d)
lead
2.
What gas is produced when a metal reacts with water?
a)
carbon dioxide
b)
oxygen
c)
hydrogen
d)
helium
3.
How do you test for hydrogen?
a)
relights a glowing splint
b)
pops a lit splint
c)
puts out a lit splint
d)
gives you a squeaky voice
4.
Complete the word equation, magnesium + copper sulfate makes �
a)
copper sulfate + magnesium
b)
copper + magnesium sulfate
c)
magnesium copide + sulfur
d)
magnesium sulfate + hydrogen
5.
Name a metal that occurs uncombined in the Earth�s crust.
a)
iron
b)
aluminium
c)
copper
d)
gold
6.
Name a metal that could be extracted from its metal oxide by heating with carbon.
a)
iron
b)
aluminium
c)
gold
d)
magnesium
7.
The alkali metals are in group 1, on the far left of the periodic table. Which of these is NOT an alkali metal?
a)
Lithium
b)
Iron
c)
Potassium
d)
Francium
8.
How can you tell that a metal is reacting with water?
a)
Colour change
b)
Bright light
c)
Fizzing
d)
It gets colder
9.
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
10.
When a metal salt reacts with a more reactive salt, what sort of reaction occurs?
a)
Displacement
b)
Neutralisation
c)
Combustion
d)
No Reaction
11.
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
12.
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
13.
Metals have many useful properties. For example, they...
a)
...conduct electricity
b)
...are malleable
c)
...are good thermal conductors
d)
All of these
14.
Another useful property of metals is that they are ductile. What does this mean?
a)
The conduct heat well
b)
They can be bent into shape
c)
They have high melting points
d)
They can be stretched into wires
15.
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
16.
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
17.
Which of these elements is unlikely to be found native?
a)
gold
b)
platinum
c)
aluminium
d)
silver
18.
Which element cannot be extracted from its ore by reduction with carbon?
a)
iron
b)
aluminium
c)
copper
d)
lead
19.
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
20.
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
21.
How could you extract sodium from molten sodium chloride?
a)
reduction by carbon
b)
electrolysis
c)
decomposition
d)
oxidation
22.
How would you extract iron from haematite (iron ore)?
a)
reduction with carbon
b)
electrolysis
c)
decomposition
d)
oxidation
23.
A method of extracting metals from their ores that are more reactive than carbon.
a)
carbon extraction
b)
fractional distillation
c)
electrolysis
d)
cracking
24.
How would you extract silver?
a)
Heating with coke
b)
Electrolysis
c)
The blast furnace
d)
Silver is found uncombined
25.
How would you extract potassium?
a)
Heating with carbon
b)
The blast furnace
c)
Potassium is found uncombined
d)
Electrolysis
26.
What is the addition of oxygen to a substance called?
a)
decomposition
b)
reduction
c)
oxidation
d)
extraction
27.
Which statement is correct about extraction of iron from its ore?
a)
Iron is more difficult to extract than copper
b)
Iron is the easiest metal to extract
c)
Iron cannot be extracted from its ore
28.
Which of these metals is most likely to be found locked in an ore?
a)
silver
b)
gold
c)
potassium
d)
platinum
29.
Which of these metals can't be extracted by carbon reduction?
a)
copper
b)
lead
c)
potassium
d)
aluminium
30.
Can be beaten into thin sheets
a)
Ductile
b)
Sonorous
c)
Malleable
d)
Flexible
31.
When you hit it, it rings like a bell.
a)
Ductile
b)
Sonorous
c)
Malleable
d)
Flexible
32.
The only 3 magnetic metals are:
a)
Iron
b)
Cobalt
c)
Magnesium
d)
Nickel
33.
Metals are poor conductors of electricity
a)
True
b)
False
34.
Metals are good conductors of heat
a)
True
b)
False
35.
The chemical symbol for iron
a)
Ir
b)
Fe
c)
I
d)
Fn
36.
Which one is NOT a property of most metals?
a)
Ductile
b)
Malleable
c)
Magnetic
d)
Sonorous
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