Testing for gases Flashcards
1
Q
How to test for hydrogen
A
Put a burning (on fire) splint into the gas, if it produces a squeaky pop sound, then it is hydrogen
2
Q
How to test for oxygen
A
Place a glowing (burnt but blown out) splint into the gas, if it relights then the gas is oxygen
3
Q
How to test for carbon dioxide
A
Bubble the gas through limewater, if it turns from colourless to cloudy then it is carbon dioxide
4
Q
How to test for ammonia
A
Place damp red litmus paper into the gas, if it turns blue then the gas is ammonia
5
Q
How to test for chlorine
A
Place damp litmus paper into the gas, if it turns white then the gas is chlorine