Key term for OCR GCSE Chemistry B, used in Reaction rate control.
Substances that increase the rate of a chemical reaction by providing an alternative reaction pathway with a lower activation energy, without being used up themselves.
Catalysts appears in OCR GCSE Chemistry B revision content for Making useful chemicals, especially Reaction rate control and Surface area explanation.
Create a free account to access OCR GCSE Chemistry B revision notes, track progress, and practise related key terms.