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Liquor ammonia bottles are opened only ...

Liquor ammonia bottles are opened only after cooling. This is because

A

It is a mild explosive

B

It is a corrosive liquid

C

It is a lachrymatory

D

It generates high vapour pressure

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The correct Answer is:
A, D

Liquor ammonia has high vapour pressure, so cooling is done to lower the vapour pressure, otherwise the gases rushes out with mild explosion.
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