Chemistry 5070 · O Level · Rate of reaction

Rate of reaction — practice question

When calcium carbonate is introduced to dilute hydrochloric acid, carbon dioxide gas is given off. Three apparatus arrangements are shown. Which arrangements of apparatus are suitable, together with a stop-watch, for monitoring the rate of this reaction?

  • A1, 2 and 3
  • B1 and 2 only
  • C2 only
  • D2 and 3 only

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