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The density of a gas at 27^(@)C and 1 at...

The density of a gas at `27^(@)C` and `1 atm` is `d`. Pressure remaining constant, at which of the following temperture will its density become `0.75 d`?

A

`20^(@)C`

B

` 30^(@)C`

C

400K

D

300K

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The correct Answer is:
C
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