SC-402
Arrangement of particles
Lower Sec Science · Secondary 1 · Hard · Arrangement of particles
A sealed syringe contains air. The syringe is slowly cooled while the plunger is locked so the volume of air cannot change. Which statement describes what happens to the air inside as it cools?
- Its density stays the same because its mass and volume stay the same.
- Its mass decreases but its volume and density stay the same.
- Its volume decreases but its mass and density stay the same.
- Its mass and volume both decrease so its density stays the same.
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