Many everyday items are made of metal - Edexcel - GCSE Chemistry - Question 3 - 2013 - Paper 1
Question 3
Many everyday items are made of metal.
The picture shows four objects made of metals or alloys.
(a) The electrical wire is made of copper.
Give a property of copper... show full transcript
Worked Solution & Example Answer:Many everyday items are made of metal - Edexcel - GCSE Chemistry - Question 3 - 2013 - Paper 1
Step 1
Give a property of copper that makes it suitable for this use.
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Answer
Copper is a good conductor of electricity. This property allows electricity to pass through effectively, making it ideal for use in electrical wires.
Step 2
Complete the sentence by putting a cross (X) in the box next to your answer.
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Answer
The aluminium alloys are used instead of pure aluminium because they:
D) are stronger.
Alloying aluminium enhances its strength, which is crucial for the structural integrity of aeroplanes.
Step 3
Explain why gold is a suitable metal to make jewellery.
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Answer
Gold is a suitable metal for jewellery because it is highly malleable and ductile, allowing it to be easily shaped into intricate designs. Additionally, gold does not tarnish or corrode, ensuring that jewellery retains its luster and beauty over time.
