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8.1 Rates of reaction

8.1 Rates of reaction

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Question 52

A student investigates the rate of reaction between magnesium and dilute hydrochloric acid.

Which change to the reaction conditions would decrease the rate of this reaction?

A

Using larger lumps of magnesium instead of powder of the same mass

B

Increasing the temperature of the hydrochloric acid

C

Adding a suitable catalyst to the mixture

D

Using a larger volume of the same concentration of acid

Markscheme

8.1 Rates of reaction Questions

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

127 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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