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Rates of reaction

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Question 111

A student investigated the rate of decomposition of hydrogen peroxide using catalase found in potato tissue. They set up the apparatus shown in Figure 1.

Figure 1: An open test tube containing hydrogen peroxide solution with several potato discs at the bottom. Bubbles are shown rising through the solution and escaping into the atmosphere. No stopper or collection apparatus is present.

Describe how the student could modify the apparatus in Figure 1 to measure the volume of gas produced.

[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