CH-390
Collecting gases
Chemistry · Secondary 3 · Medium · Collecting gases
A sample of gas Y is collected over water by downward delivery. The gas is less dense than air and insoluble in water.
Which statement explains why this method of collection is suitable for gas Y?
Which statement explains why this method of collection is suitable for gas Y?
- It is less dense than air so it stays at the bottom of the jar.
- It is insoluble in water so it does not dissolve during collection.
- It is more dense than air so it sinks into the water.
- It is soluble in water so it can be trapped easily.
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