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Rates of reaction

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Question 94

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

Which change to the reaction conditions would decrease the rate of this reaction?

Using larger lumps of magnesium instead of powder of the same mass

Increasing the temperature of the hydrochloric acid

Adding a suitable catalyst to the mixture

Using a larger volume of the same concentration of acid

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