Combined Science GCSE
Electrolysis
What Electrolysis means in Combined Science GCSE, as defined for AQA.
Definitions of Electrolysis
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Reference: AQA
A method where a solution of a metal compound is electrolysed so that metal ions gain electrons at the cathode to form metal atoms.
A process that uses a direct current supply to drive non-spontaneous changes.
The overall process of breaking down an ionic compound using electricity.
Topics that use Electrolysis
- Alternative methods of extracting metals (HT only) (AQA GCSE)
- Representation of reactions at electrodes as half equations (HT only) (AQA GCSE)
- The process of electrolysis (AQA GCSE)
Related terms
- Anode
- Half equation
- Oxidation
- Bioleaching
- Cathode
- Conservation of charge and mass
- Displacement
- Environmental and economic evaluation
Using Electrolysis in the exam
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