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8.1 Rates of reaction

8.1 Rates of reaction

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Question 32

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

The experiment is repeated three times:

  • once using magnesium ribbon cut into smaller pieces (keeping the total mass the same)
  • once using a lower temperature of hydrochloric acid
  • once using a larger beaker

In each case, all other conditions are kept the same.

Select the correct word in each row to show the change in the rate of reaction.

CaseChange in rate of reaction
Magnesium ribbon is cut into smaller piecesfasterslowerunchanged
The temperature of the acid is lowerfasterslowerunchanged
The reaction is carried out in a larger beakerfasterslowerunchanged
[2]
Markscheme

8.1 Rates of reaction Questions

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

87 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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