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Learning objective

Explain why metals more reactive than carbon cannot be extracted from oxides by carbon reduction.

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Topic

Reactivity of metals

Subtopic

Extraction of metals and reduction

Aqa Gcse ChemistryChemical changes

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Quick explanation

Explain why metals more reactive than carbon cannot be extracted from oxides by carbon reduction

  • This point belongs to Reactivity of metals, especially Extraction of metals and reduction.
  • You need to be able to explain why metals more reactive than carbon cannot be extracted from oxides by carbon reduction.
  • The key ideas to know are reduction, carbon, and ore.
  • Use the linked flashcards and practice questions to check recall, then practise applying the idea in an exam-style answer.

Key concepts

reductioncarbonore

Why it matters

This objective helps connect Extraction of metals and reduction to exam-style questions, flashcards, and revision notes for Reactivity of metals.

Quick student answer

How do you explain metals more reactive than carbon cannot be extracted from oxides by carbon reduction?

Direct answer

In Chemistry, this page helps you answer questions about metals more reactive than carbon cannot be extracted from oxides by carbon reduction within Reactivity of metals. Focus on the key process, correct scientific terms, and how the idea links to exam-style questions. Key terms to check are Carbon reduction and Reactivity limit of carbon reduction.

Key terms

  • Carbon reduction: A process where carbon removes oxygen from a metal oxide, allowing extraction of metals less reactive than carbon.
  • Reactivity limit of carbon reduction: The principle that metals more reactive than carbon cannot be extracted from their oxides by carbon reduction because the metal would oxidise the carbon instead of the oxide.

Common trap

Misunderstanding Reactivity and Extraction: Remember that only metals less reactive than carbon can be extracted from their oxides by reduction with carbon. More reactive metals require different extraction methods.

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Question 1

For Extraction of metals and reduction, which exam wording answer best supports this Unit 4.4 objective: Explain why metals more reactive than carbon cannot be extracted from oxides by carbon reduction?

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