Pearson Edexcel International GCSE (9–1) · CHEMISTRY · Section
Properties and uses of some metals
19 practice questions
Practice questions
1–3 of 3 · Hard
Question 1
2 marks · Hard
Answer and see the solution →Copper is often used in building water pipes. Give two physical properties of copper, apart from electrical conductivity, that make it suitable for this use.
Question 2
5 marks · Hard
Answer and see the solution →A coin is made from an alloy containing copper and nickel.
(a)[1 mark]Define the term 'alloy'.
(b)[3 marks]Explain, in terms of atomic structure, why this alloy is harder than either pure copper or pure nickel.
(c)[1 mark]Suggest one advantage of using the alloy instead of pure copper for making coins.
Question 3
2 marks · Hard
Answer and see the solution →Aluminium is often chosen for the bodies of aircraft. Explain two reasons, based on its physical properties, for this choice.