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8.1 Rates of reaction

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Question 11
F

A gas-volume graph becomes horizontal after 80 s. What does this most likely mean?

[1]
A

The reaction rate is at its maximum

B

Gas is being produced at a constant rate

C

The reaction has become reversible and stopped

D

One of the reactants has been used up

Markscheme

8.1 Rates of reaction Questions

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

54 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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