Combined Science GCSE
Catalyst
What Catalyst means in Combined Science GCSE, as defined for AQA.
Definition of Catalyst
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Reference: AQA
A substance that increases the rate of a reaction without being used up or chemically changed at the end.
Topics that use Catalyst
- Catalysts (AQA GCSE)
Related terms
- Activation energy
- Biological catalysts
- Catalysis and alternative reaction pathways
- Representing energy changes graphically
- Catalyst specificity
- Energy changes in exothermic and endothermic reactions
Using Catalyst in the exam
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