Pearson Edexcel International GCSE (9–1) · CHEMISTRY · Section
Metals below carbon in the reactivity series
19 practice questions
Practice questions
1–3 of 3 · Hard
Question 1
2 marks · Hard
Answer and see the solution →State what is meant by 'reduction' in the extraction of metals from metal oxides. Give your answer in terms of both oxygen and electrons.
Question 2
5 marks · Hard
Answer and see the solution →The table shows the position of three metals in the reactivity series:
Metal Position relative to carbon Lead Below carbon Aluminium Above carbon Zinc Below carbon A manufacturer wants to extract each metal from its oxide using the cheapest method.
(a)[2 marks]State which two of these metals can be extracted from their oxides by heating with carbon. Explain your answer using the reactivity series.
(b)[2 marks]Aluminium oxide is not extracted by heating with carbon. Explain why not, and name the method used instead.
(c)[1 mark]Write a balanced symbol equation for the extraction of zinc from zinc oxide using carbon.
Question 3
2 marks · Hard
Answer and see the solution →Explain why extraction of iron using carbon is more economical than extraction using electrolysis. Give two reasons.