Edexcel IGCSE Science(Double Award)-Chemistry (4wsd0-1c)

Rates of reaction

24 worked examples and 24 model answers. Every link opens the solution on the Learning Portal.

Effect of Catalysts on Rate of Reaction

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Effects of changes in surface area of a solid, concentration of a solution

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Effect of Surface Area on Rate of Reaction

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Reversible reactions and equilibria

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