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Chemistry · May / June 2022 · Paper 11 · Question 33

5070Air quality and climate

The diagram shows an experiment to determine the percentage of oxygen in air. [diagram: bell jar, lit candle, water] Which diagram shows the correct level of water after the candle stops burning?

  1. Adiagram A
  2. Bdiagram B
  3. Cdiagram C
  4. Ddiagram D

As printed in the paper

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Correct answer: C. diagram C

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