Cambridge IGCSE Chemistry practice

Paper 3 structured question: Uses of metals

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Paper

Marks

Topic

Uses of metals

Exam-style question

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Paper 3Theory (Core)1 marks

The properties of metals influence their applications in various industries.

Description

Aluminium is lightweight and corrosion-resistant, while copper is known for its excellent conductivity and flexibility.

a
State One application of aluminium due to its lightweight nature.
Your answer
Aim for approximately 1 distinct marking point.
[1]

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Paper 3Theory (Core)3 marks

Description

Aluminium is used in food packaging due to its corrosion resistance, and copper is used in electrical wiring due to its conductivity.

a
Explain Why is copper preferred for electrical wiring over aluminium?
Your answer
Aim for approximately 3 distinct marking points.
[3]