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Provide the symbol equations for the extraction of iron from hematite, including: (a) C + O → CO2 (b) C + CO2 → 2CO (c) Fe2O3 + 3CO → 2Fe + 3CO2 (d) CaCO3 → CaO + CO2 (e) CaO + SiO2 → CaSiO3.

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Cambridge IGCSE ChemistryMetalsSupplement content

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Provide the symbol equations for the extraction of iron from hematite, including: (a) C + O → CO2 (b) C + CO2 → 2CO (c) Fe2O3 + 3CO → 2Fe + 3CO2 (d) CaCO3 → CaO + CO2 (e) CaO + SiO2 → CaSiO3

  • This point belongs to Extraction of metals, especially Extraction of metals outcomes.
  • You need to be able to provide the symbol equations for the extraction of iron from hematite, including: (a) C + O → CO2 (b) C + CO2 → 2CO (c) Fe2O3 + 3CO → 2Fe + 3CO2 (d) CaCO3 → CaO + CO2 (e) CaO + SiO2 → CaSiO3.
  • The key ideas to know are State and List.
  • Use the linked flashcards and practice questions to check recall, then practise applying the idea in an exam-style answer.

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StateList

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Paper 4 structured question: Extraction of metals

Paper 4Theory (Extended)1 marks

Description

Chemical Reactions in Iron Extraction

The extraction process includes the following reactions: (a) C + O → CO2 (b) C + CO2 → 2CO (c) Fe2O3 + 3CO → 2Fe + 3CO2 (d) CaCO3 → CaO + CO2 (e) CaO + SiO2 → CaSiO3

  1. a

    State the reaction that produces carbon dioxide from carbon and oxygen.

    Aim for approximately 1 distinct marking point.

    [1]
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