CH-1383
Collecting gases
Chemistry · Secondary 4 · Medium · Collecting gases
A gaseous mixture of nitrogen and carbon dioxide is passed through two substances in series. After the gases pass through substance P and then substance Q, dry nitrogen is collected. Which row shows the correct identities of P and Q?
- P: water Q: concentrated sulfuric acid
- P: limewater Q: concentrated sulfuric acid
- P: water Q: aqueous sodium hydroxide
- P: limewater Q: aqueous sodium hydroxide
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