Tests for Gases Flashcards
1
Q
Carbon dioxide gas test
A
CO2
Turns limewater milky
Not very soluble, bubbling is seen
2
Q
Chlorine gas test
A
Cl2
Bleaches damp litmus paper
Very soluble, bubbling is not seen
Unlikely to be in practical due to smell
3
Q
Hydrogen gas test
A
H2
‘squeaky pop’ with a lighted spling
Not very soluble bubbling is seen
4
Q
Oxygen gas test
A
O2
Relights a glowing splint
Not very soluble, bubbling is seen
5
Q
Sulphur dioxide gas test
A
SO2
Turns acidified aqueous potassium manganate (VII) from purple to colourless
Very soluble bubbling is not seen
Unlikely to be in practical due to smell
6
Q
Ammonia gas test
A
NH3
Turns damp red litmus paper blue
Very Soluble bubbling is not seen
