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Question
Ammonia can be collected by ______.
Options
upward displacement of water
upward displacement of air
downward displacement of water
downward displacement of air
MCQ
Fill in the Blanks
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Solution
Ammonia can be collected by downward displacement of air.
Explanation:
Ammonia is lighter than air, so it rises to the top of an inverted jar and pushes the heavier air downwards. It cannot be collected over water because it is highly soluble in it.
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