gases test Flashcards
1
Q
chlorine
A
bleaches damp blue litmus paper - white (if turns red it’s because solutions of chlorine is acidic
2
Q
oxygen
A
relights a glowing splint
3
Q
carbon dioxide
A
turns limewater cloudy
4
Q
hydrogen
A
makes a squeaky pop with lighted splint (noice from hydrogen burning with oxygen in air)
5
Q
ammonia
A
turns damp red litmus paper blue
6
Q
water test
A
copper (II) sulfate crystals.
forms blue crystals
if heat hydrated copper (II) crystals, it drives water off.
leaves a white anhydrous copper (II) sulfate powder.
if you add water to white powder again, blue crystals will form again.
