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GCSE
Gcse Chemistry
Metals - Properties And Uses Of
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Q.1
Which metal is the most appropriate to make jewellery from?
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Mercury
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Aluminium
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Gold
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Potassium
Q.2
Why is iron rarely used as pure iron?
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It is too heavy
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It is too expensive
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It is too hard
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It is too brittle
Q.3
Why is gold used for jewellery?
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It's expensive
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It looks nice
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It is unreactive
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It's very hard
Q.4
Which metal would be the most appropriate to make overhead power lines from?
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Mercury
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Aluminium
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Gold
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Potassium
Q.5
Why is potassium kept stored in oil?
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It would react with the water in the air
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To keep it shiny
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To keep it lubricated
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To see if it floats
Q.6
Why is iron better than aluminium for making bridges?
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It is more easily painted
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It is a better insulator
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It has a higher density
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It is harder
Q.7
Aluminium is a useful metal to use because it does not corrode easily in air. Why?
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It is very unreactive
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It has a protective layer of aluminium oxide on its surface which does not allow air or water to penetrate
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It doesn't react with anything
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It is very reactive
Q.8
Copper is often used for water pipes and electrical wires. Pick two properties of copper which make it useful for this purpose.
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Good conductor and malleable
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Poor conductor and ductile
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Nice colour and bendy
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Shiny and thin
Q.9
Which two of the following statements could explain why aluminium is preferred to iron for making cans for drinks?
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Aluminium is a better conductor than iron
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Aluminium is not as strong as iron
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Aluminium has a lower melting point than iron
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Aluminium corrodes less easily than iron
Q.10
Why is aluminium used to make aeroplane bodies?
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It is shiny
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It is very light
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It is cheap
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It is very abundant
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