gas tests Flashcards
1
Q
test for hydrogen
A
hold lighted splint at the open end of a test tube
2
Q
positive test for hydrogen
A
a lighted splint squeaky pops
3
Q
test for oxygen
A
insert glowing splint in the mouth of a flask with a small amount of manganese oxide in it
4
Q
positive test for oxygen gas
A
glowing splint relights
5
Q
test for carbon dioxide
A
bubble carbon dioxide through limewater
6
Q
positive test for carbon dioxide
A
limewater turns milky white
7
Q
test for chlorine
A
price of damp blue litmus paper held at mouth of the boiling tube with concentrated hydrochloric acid and moistened potassium manganate crystals
8
Q
positive test for chlorine gas
A
damp blue litmus paper turns white (as it gets bleached)
