Gases Flashcards
1
Q
Ammonia, NH3
A
Use damp red litmus paper.
Indicator turns blue.
2
Q
Carbon Dioxide, CO2
A
Bubble the suspected Carbon Dioxide sample through limewater.
Limewater becomes cloudy or milky.
3
Q
Chlorine, Cl2
A
Hold damp litmus paper in the gas. Paper turns white.
4
Q
Hydrogen, Cl2
A
Put the gas in the tube and hold a lighted splint into the tube. Gas burns with a squeaky pop.
5
Q
Oxygen, O2
A
Collect the gas in a test tube and hold a glowing splint next to it. Splint relights.
