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8.1 Rates of reaction

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Question 28
F

What happens to a catalyst at the end of a reaction?

[1]
A

It is chemically changed but has the same mass

B

It has been partly used up, so its mass is lower

C

It has become part of one of the products

D

It is chemically unchanged and has the same mass

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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