ASMO Science Olympiad 2016 — Level 2 (Years 5 & 6) — Contest Question 16

Question 16

Why is the volume of gas in the gas syringe stop increasing?

1. The gas go out from the tube.
2. There is no more space for the gas to stay in the tube.
3. There is no more reaction occurs in the flask.
4. The gas syringe is broken.