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Rates of reaction

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Question 64

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]

Rates of reaction Questions

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

Practise Edexcel GCSE Chemistry Rates of reaction with exam-style questions for Foundation and Higher tier. 166 questions, matched to the Edexcel GCSE Chemistry (1CH0) specification and written in Paper 1 and Paper 2 style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.

Question bank