U3-5-1 - Chemical Tests Flashcards
1
Q
Chemical test for oxygen
A
Relights a glowing splint
2
Q
Chemical test for carbon dioxide
A
Turns limewater (from clear to) cloudy
3
Q
How can you confirm if a salt contains specific metal ions, e.g. Li+?
A
Flame test
Heat sample in flame, different metal ions = different colours
4
Q
Which gas turns limewater cloudy?
A
Carbon dioxide
5
Q
Which gas relights a glowing splint?
A
Oxygen
6
Q
Which gas burns with a pop?
A
Hydrogen
