What happens when the temperature of $CO_2$ at its critical temperature of $30.98 \, ^\circ C$ is increased or decreased?
- AIt remains a gas at all temperatures.
- BIt liquefies at higher temperatures.
- CIt becomes a gas at higher temperatures and a liquid at lower temperatures.
- DIt remains a liquid at all temperatures.
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$A$ gas can be liquefied:
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View SolutionThe critical temperatures $(T_C)$ of some gases are given below:
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| Gases | $H_2, He, O_2$ |
| $T_C \ (K)$ | $33.2, 5.3, 154.3$ |
Based on the above data,what is the order of liquefaction of these gases? Start writing the order from the gas that liquefies first.
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