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Rates of reaction

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Question 78

A student used the apparatus shown below to investigate the rate of reaction between a small piece of magnesium ribbon and dilute sulfuric acid.

Experimental setup for collecting gas over water

The student measured the volume of hydrogen gas collected in the inverted 250 cm3 measuring cylinder every 15 seconds. The total volume of gas collected by the end of the reaction was only 15 cm3.

Name a piece of apparatus that would be better to measure the volume of gas produced, instead of the 250 cm3 measuring cylinder.

Give a reason for your answer.

[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