CH-1353
Collecting gases
Chemistry · Secondary 4 · Medium · Collecting gases
Hydrogen gas is produced by reacting magnesium with dilute hydrochloric acid. Hydrogen is almost insoluble in water and less dense than air.
Which method is most suitable to collect and measure the volume of hydrogen gas?
Which method is most suitable to collect and measure the volume of hydrogen gas?
- Collection over water in an inverted measuring cylinder
- Downward delivery of the gas into an unmarked gas jar
- Upward delivery into a gas jar over concentrated sulfuric acid
- Allowing the gas to escape into the air
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