CH-1110
Reactions of acids
Chemistry · Secondary 4 · Medium · Reactions of acids
A gaseous mixture of nitrogen and carbon dioxide is passed through two successive wash bottles. After the gases leave the second bottle, only dry nitrogen is obtained.
Bottle 1 must remove carbon dioxide and bottle 2 must remove water vapour. Which pair of substances should be placed in bottle 1 and bottle 2 respectively?
Bottle 1 must remove carbon dioxide and bottle 2 must remove water vapour. Which pair of substances should be placed in bottle 1 and bottle 2 respectively?
- aqueous sodium hydroxide, concentrated sulfuric acid
- water, concentrated sulfuric acid
- limewater, water
- concentrated sulfuric acid, aqueous sodium hydroxide
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