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5.1 Obtaining and using metals

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Question 2
F

Railway tracks can be welded together using the thermite reaction. Aluminium powder reacts with iron oxide to produce molten iron.

__ Al+Fe2O3→Al2O3+__ Fe\_\_\,\mathrm{Al} + \mathrm{Fe_{2}O_{3}} \rightarrow \mathrm{Al_{2}O_{3}} + \_\_\,\mathrm{Fe}__Al+Fe2​O3​→Al2​O3​+__Fe

a.

Balance the equation. Give the two missing numbers.

[1]
b.

Name the substance that is oxidised in this reaction. Explain your answer.

[2]
c.

Explain why this reaction is described as a displacement reaction.

[1]
d.

Explain why iron does not react with aluminium oxide.

[1]
e.

A student adds zinc powder to blue copper sulfate solution. Describe two observations the student would make.

[2]
f.

Name the two products of the reaction between zinc and copper sulfate.

[1]
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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