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5.1 Obtaining and using metals

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Question 12
F

An iron ore contains 64.0% iron(III) oxide, Fe2O3\mathrm{Fe_{2}O_{3}}Fe2​O3​, by mass. The rest of the ore contains no iron. Relative atomic masses: Fe = 56, O = 16

What is the maximum mass of iron that can be extracted from 1.00 tonne (1000 kg) of this ore?

[1]
A

224 kg

B

287 kg

C

448 kg

D

700 kg

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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