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 a redox reaction?
A reaction where oxidation and reduction happen simultaneously
What does OIL RIG stand for?
Oxidation Is Loss (of electrons) Reduction Is Gain (of electrons)

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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