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5.1 Obtaining and using metals

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Question 4
F

Why is aluminium extracted by electrolysis rather than by heating its oxide with carbon?

[1]
A

Aluminium is less reactive than iron

B

Carbon is more expensive than electricity

C

Aluminium oxide has a low melting point

D

Aluminium is more reactive than carbon

Markscheme

5.1 Obtaining and using metals Questions

  1. GCSE
  2. /Chemistry
  3. /5.1 Obtaining and using metals

45 exam-style questions on Edexcel GCSE Chemistry 5.1 Obtaining and using metals, covering 5.1.1 The reactivity series of metals, 5.1.2 Displacement reactions as redox reactions, 5.1.3 Extracting metals from ores by reduction, 5.1.4 Biological methods of metal extraction, 5.1.5 Resistance to oxidation and recycling metals, and 5.1.6 Life cycle assessment. Each one has a worked solution and a mark scheme showing where the marks go.

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