Edexcel IGCSE Chemistry · Spec 3.9, 3.15-3.16
Rates of Reaction Required Practicals
Covers plan fair tests for rate factors, Compare marble-chip surface areas and Investigate catalysts for hydrogen peroxide decomposition.
Chemistry revision video
Rates of Reaction Required Practicals
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Spec 3.9, 3.15-3.16
What you need to know
- Plan fair tests for rate factors
- Compare marble-chip surface areas
- Investigate catalysts for hydrogen peroxide decomposition
Active recall
Quick check
Answer each question before opening the answer.
Name three ways to measure rate
Gas volume, mass loss or time for a visible change
Why must marble masses be equal?
To make surface area the intended independent variable
What gas forms from hydrogen peroxide?
Oxygen
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