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An open flask contains air at 27^(@) C a...

An open flask contains air at `27^(@)` C and one atm. Pressure. The flask is heated to `127^(@)` C at the same pressure . The fraction of original air remaining in the flask will be

A

`(1)/(5)`

B

`(2)/(5)`

C

`(1)/(2)`

D

`(3)/(4)`

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Verified by Experts

The correct Answer is:
D
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