CH-414
Collecting gases
Chemistry · Secondary 3 · Medium · Collecting gases
A student wants to collect a sample of dry hydrogen gas produced in a reaction. Hydrogen is insoluble in water and less dense than air. Which method is most suitable?
- Collect over water by upward delivery into an inverted gas jar
- Collect over water by downward delivery into an upright gas jar
- Collect by displacement of air using downward delivery
- Collect using a syringe filled with water
Sign in to check your answer and see the hint and the worked explanation. Free on PrepLab High.