Chemical ChangesLow Exam FrequencyAQA

Oxidation & Reduction

Revise Oxidation & Reduction in Chemical Changes for GCSE Chemistry with 20 exam-style questions and 20 flashcards. This topic appears less often, but it can still pick up marks when it appears in mixed-topic papers.

Sample Flashcards

What is OARC?
Oxidation at Anode, Reduction at Cathode — memory aid for electrolysis
What is a redox reaction?
A reaction where oxidation and reduction happen simultaneously

Sample Questions

What does OIL stand for in the mnemonic OIL RIG?

  • A. Oxygen Is Lost
  • B. Oxidation Is Loss (of electrons)
  • C. Oxidation Involves Lithium
  • D. Oxygen Increases Level
1 markfoundation

In the reaction Mg + CuSO₄ → MgSO₄ + Cu, identify which species is oxidised and which is reduced. (2 marks)

2 marksstandard

20

exam-style questions

20

revision flashcards

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