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An open bulb containing air at 19^(@)C ...

An open bulb containing air at `19^(@)C ` was cooled to a certain temperature at which the number of moles of the gaseous molecules increased by 25% . The final temperature is

A

`-39.4^(@) C `

B

`233.6^(@) C`

C

`39.4^(@) C`

D

`240^(@) C`

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The correct Answer is:
D
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