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8.1 Rates of reaction

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Question 4

Solutions A and B react together. A student investigates whether solid C acts as a catalyst for this reaction.

Which pair of experiments should the student compare?

[1]
A

Equal volumes but different concentrations at the same temperature, adding solid C to one mixture only

B

Equal volumes and concentrations at the same temperature, adding solid C to both mixtures

C

Equal volumes and concentrations at different temperatures, adding solid C to one mixture only

D

Equal volumes and concentrations at the same temperature, adding solid C to one mixture only

Markscheme

8.1 Rates of reaction Questions

  1. GCSE
  2. /Chemistry
  3. /8.1 Rates of reaction

122 exam-style questions on Edexcel GCSE Chemistry 8.1 Rates of reaction, covering 8.1.1 Measuring and interpreting rates of reaction, 8.1.2 Collision theory and the factors affecting rate, and 8.1.3 Catalysts and enzymes. Each one has a worked solution and a mark scheme showing where the marks go.

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