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Learning objective

Identify which substance is oxidised and which is reduced in oxygen-transfer reactions.

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Topic

Reactivity of metals

Subtopic

The reactivity series

Aqa Gcse ChemistryChemical changes

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Quick explanation

Identify which substance is oxidised and which is reduced in oxygen-transfer reactions

  • This point belongs to Reactivity of metals, especially The reactivity series.
  • You need to be able to identify which substance is oxidised and which is reduced in oxygen-transfer reactions.
  • The key ideas to know are substance, oxygen-transfer, and reduced.
  • Use the linked flashcards and practice questions to check recall, then practise applying the idea in an exam-style answer.

Key concepts

substanceoxygen-transferreducedwhichoxidised

Why it matters

This objective helps connect The reactivity series to exam-style questions, flashcards, and revision notes for Reactivity of metals.

Quick student answer

How do you identify which substance is oxidised and which is reduced in oxygen-transfer reactions?

Direct answer

In Chemistry, this page helps you answer questions about which substance is oxidised and which is reduced in oxygen-transfer reactions 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 oxidation and reduction.

Key terms

  • oxidation: The process in which a substance loses electrons or gains oxygen. In The reactivity series, this term helps explain identify which substance is oxidised and which is reduced in oxygen-transfer reactions for AQA GCSE Chemistry 8462 Unit 4.4.
  • reduction: The process in which a substance gains electrons or loses oxygen. In The reactivity series, this term helps explain identify which substance is oxidised and which is reduced in oxygen-transfer reactions for AQA GCSE Chemistry 8462 Unit 4.4 For The reactivity series, use reduction in the exam wording of which substance oxidised and which reduced oxygen-transfer reactions; this keeps the term tied to Reactivity of metals and avoids confusing it with a nearby acid-base, redox, reactivity, salt-preparation, pH, ion, or electrolysis idea.

Common trap

Oxidation and Reduction Confusion: Remember that oxidation is defined as the loss of electrons, while reduction is the gain of electrons. Focus on the electron transfer process to clarify these concepts.

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