paper 2 not being tested Flashcards
1
Q
what are the 4 gases that you need to know tests for?
A
- chlorine
- oxygen
- carbon dioxide
- hydrogen
2
Q
what is the test for chlorine?
A
damp litmus paper - chlorine bleaches it
3
Q
what is the test for oxygen?
A
glowing splint - relights
4
Q
what is the test for carbon dioxide?
A
bubbling it through limewater - positive test turns cloudy
5
Q
what is the test for hydrogen?
A
lit splint - squeaky pop