The rate and extent of chemical change
Rates of reaction - AQA
The greater the frequency of successful collisions between reactant particles, the greater the reaction rate.

Quiz: Rates of reaction
This interactive quiz is suitable for GCSE combined science students studying surface area, temperature, and catalysts on the rate of reaction.

Reversible reactions - AQA
Chemical reactions are reversible and may reach a dynamic equilibrium. The position of equilibrium of a reversible reaction can be altered by changing the reaction conditions.

Quiz: Reversible reactions
This interactive quiz is suitable for GCSE combined science students studying reversible reactions and the dynamic equilibrium.

Sample exam questions - the rate and extent of chemical change - AQA
Understanding how to approach exam questions helps to boost exam performance. Question types will include multiple choice, structured, mathematical and practical questions.

Links
- External linkExternal link
- SubscriptionSubscription
- External linkExternal link
- External linkExternal link
- SubscriptionSubscription
- External linkExternal link
- External linkExternal link
- SubscriptionSubscription