Recognition Of Common Gases Flashcards
1
Q
Carbon dioxide
A
White precipitate with lime water (calcium hydroxide)
2
Q
Ammonia
A
Turns moist red litmus paper blue and forms white smoke with hydrogen chloride
3
Q
Nitrogen dioxide
A
Brown gas
4
Q
Hydrogen
A
Ignites with a pop
5
Q
Hydrogen chloride
A
Steamy fumes in exposure to moist air, acidic and forms white smoke with ammonia
6
Q
Chlorine
A
Pale green gas that bleaches moist litmus paper
7
Q
Bromine
A
Brown gas
8
Q
Iodine
A
Purple vapour
9
Q
Water vapour
A
Turns blue cobalt chloride paper pink
10
Q
Oxygen
A
Relights with glowing splint
