chem gases tests Flashcards
(6 cards)
1
Q
oxygen test
A
insert a glowing splint. if the splint relights the gas is oxygen
2
Q
Hydrogen test
A
insert a lit splint. if the gas is hydrogen it produces a squeaky pop.
3
Q
carbon dioxide test
A
bubble the gas through limewater. if the gas is carbon dioxide it turns the limewater cloudy.
4
Q
chlorine tests
A
damp blue litmus paper turns red briefly then beaches white
5
Q
ammonia test
A
damp red litmus paper. if the gas is ammonia it turns red litmus blue.
6
Q
anhydrous copper sulfate
A
add a couple of drops of the liquid to a test tube containing anhydrous copper sulfate. if the white powder turns blue water is present.
