Inorganic Analysis Gas Tests Flashcards
1
Q
oxygen
A
glowing splint relights
2
Q
hydrogen
A
lit splint goes out with a squeaky pop
3
Q
ammonia
A
damp red litmus paper turns blue
4
Q
carbon dioxide
A
bubble through clear, colourless limewater which turns cloudy due to formation of a white precipitate
5
Q
chlorine
A
damp blue litmus paper turns red and bleaches white
6
Q
iodine
A
starch solution turns to blue/black
7
Q
water vapour 1
A
blue cobalt chloride paper turns pink
8
Q
water vapour 2
A
white anhydrous copper(II) sulphate crystals turn blue
9
Q
physical tests for pure water
A
Boiling point = 100 degrees celsius
Melting point = 0 degrees celsius
Density = 1g/cm3
