Test for Water Vapour (Steam), H2O(g).
1) Water vapour has no colour or smell.
2) Water
vapour has no effect on moist
litmus paper
or moist universal indicator paper -
it is neutral.
3) Water vapour puts out a lit splint.
Specific tests for Water or Water Vapour.
1) Water or its vapour will turn cobalt chloride paper from blue to pink.
2) Water
or its vapour turns anhydrous copper(II) sulfate crystals
from white to blue.
3) Water melts at 0°C and boils at 100 °C.
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