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The Properties of Gases
Ammonia gas
Physical Properties
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Colour |
Colourless |
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Odour |
Pungent odour |
|
Density compared to air (heavier or
lighter) |
Lighter than air |
Chemical Properties
|
Solubility in water |
Very soluble in water. It reacts with
water to form
ammonium hydroxide solution. |
|
Burning |
Does not support combustion |
|
Moist pH paper |
Alkaline reaction |
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Red rose petals |
None |
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Specific test |
The only gas which will show an
alkaline reaction to pH paper. |
Footnotes:
- Found naturally as
one of the gases given out by volcanoes.
- It is also produced
from decaying organic material
- It is used in
solution in household cleaning agents
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