CH-691
Tests for gases
Chemistry · Secondary 3 · Easy · Tests for gases
A student tests an unknown gas by inserting a glowing splint into a test tube of the gas. The splint relights.
A) Hydrogen
B) Oxygen
C) Carbon dioxide
D) Ammonia
A) Hydrogen
B) Oxygen
C) Carbon dioxide
D) Ammonia
- Hydrogen
- Oxygen
- Carbon dioxide
- Ammonia
Sign in to check your answer and see the hint and the worked explanation. Free on PrepLab High.