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Chemistry · Oct / Nov 2016 · Paper 12 · Question 2

5070Rate of reaction

When calcium carbonate is added to dilute hydrochloric acid, carbon dioxide gas is released. Three sets of apparatus are shown. [diagrams of three sets of apparatus] Which sets of apparatus are suitable, together with a stopwatch, for following the rate of this reaction?

  1. A1, 2 and 3
  2. B1 and 2 only
  3. C2 only
  4. D2 and 3 only

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Correct answer: B. 1 and 2 only

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