Pearson Edexcel International GCSE (9–1) · CHEMISTRY · Section
Metals above carbon in the reactivity series
18 practice questions
Practice questions
1–3 of 3 · Hard
Question 1
5 marks · Hard
Answer and see the solution →(a)[1 mark]State the position of aluminium and carbon in the reactivity series.
(b)[2 marks]Describe what happens when carbon is heated with aluminium oxide.
(c)[2 marks]Explain, in terms of the reactivity series, why aluminium cannot be extracted from aluminium oxide by heating with carbon.
Question 2
2 marks · Hard
Answer and see the solution →State the substance in which aluminium oxide is dissolved for electrolysis, and explain why this substance is used.
Question 3
2 marks · Hard
Answer and see the solution →Chromium can be extracted from chromium(III) oxide by heating it with aluminium powder. Describe how this reaction shows the use of a more reactive metal in extraction, and explain why aluminium is used instead of carbon.