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Methods of Collecting Gases in a Laboratory

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Methods of Collecting Gases in a Laboratory

Question

The diagram below shows three methods for collecting gases in the laboratory .
Chemistry Question
(a) Name the methods A and B
(b) From the methods above, identify one that is suitable for collecting sulphur (IV) oxide. Explain

Answer

(a)A- Downward delivery / upward displacement of air
B - Over water
(b) A - Denser than air