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Ammonia gas can be collected by the down...

Ammonia gas can be collected by the downward displacement of

A

water

B

air

C

mercury

D

acid

Text Solution

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The correct Answer is:
2

Ammonia gas is prepared in the laboratory by heating ammonium chloride with slaked lime, `Ca(OH)_(2)`, in the ratio of `3:2`. The mixture is taken in a flask and the heated gently. The gas evolved is passed through lime tube and finally collected in a dry jar (because `NH_(3)` is highly soluble in `H_(2)O` by downward displacement of air (as `NH_(3)` is lighter than air).
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