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If helium is allowed to expand in vacuum...

If helium is allowed to expand in vacuum, it liberates heat because

A

helium is an inert gas

B

helium is an ideal gas

C

the inversion temperature of helium is very low

D

helium is one of the lightes gases

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Verified by Experts

The correct Answer is:
C
Helium shows heating effect at room temperature as it possesses very low values of inversion temperature.
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