Which questions?
How many questions?
Time per question?
Pick at least one question type to play with.
Game over!
0 / 0
Runs entirely in your browser — no data is sent anywhere.
About this rates of reaction game
This free GCSE chemistry game covers collision theory and the five factors that change how fast a reaction happens — temperature, concentration, surface area, catalysts and pressure. Choose which question types to include, set your question count and time limit, then see how many you can get right.