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6.1 Rate of reaction

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Question 7
F78%

Which statement about enzymes is correct?

[1]
A

Enzymes are used up as they speed up reactions

B

Enzymes take part in the equation for a reaction

C

Enzymes act as catalysts in biological systems

D

Enzymes raise the activation energy of reactions

Markscheme

6.1 Rate of reaction Questions

  1. GCSE
  2. /Chemistry
  3. /6.1 Rate of reaction

41 exam-style questions on AQA GCSE Chemistry 6.1 Rate of reaction, covering 6.1.1a Calculating rates of reactions, 6.1.1b Gradient of a tangent as rate, 6.1.2 Factors which affect the rates of chemical reactions, 6.1.3 Collision theory and activation energy, and 6.1.4 Catalysts. Each one has a worked solution and a mark scheme showing where the marks go.

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