Chemistry · Oct / Nov 2020 · 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. Which sets of apparatus are suitable, together with a stop-watch, for following the rate of this reaction?
- A1, 2 and 3
- B1 and 2 only
- C2 only
- D2 and 3 only
As printed in the paper
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Correct answer: B. 1 and 2 only
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