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8.1 Rates of reaction

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Question 24
F

A student investigates magnesium and hydrochloric acid. Which variable should be controlled when testing the effect of acid concentration?

[1]
A

The reaction time as the independent variable

B

The acid concentration

C

The length and surface condition of the magnesium ribbon

D

The rate calculated from the results

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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