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Assertion : Liquid NH3 is used for ref...

Assertion : Liquid `NH_3 ` is used for refrigeration
Reasong: Liquid `NH_3 ` quickly vaporises.

A

a. if both assertion and reason are true and reason is thr correct explanation of assertion

B

b. If both assertion and reason are true but reason is not the correct explanation of assertion

C

c. If assertion is true but reason is false

D

d. If both assertion and reason are false.

Text Solution

Verified by Experts

The correct Answer is:
A
Liq `NH_3` has high heat heart of vaporisation `(327 cal //g )` so.it is takes up lots of heat and helps in cooling. So it is use d ice- plants.
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