Chemical Engineering Thermodynamics
Law of corresponding states says that

The surface of separation (i. e. the meniscus) between liquid and vapour phase disappears at the critical temperature
, two different gases behave similarly, if their reduced properties (i.e. P, V and T) are same
The molar heat of energy of gas at constant volume should be nearly constant (about 3 calories)
No gas can be liquified above the critical temperature, howsoever high the pressure may be

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Chemical Engineering Thermodynamics
Absolute zero temperature signifies the

Minimum temperature attainable
None of these
Temperature of the heat reservoir to which a Carnot engine rejects no heat
Temperature of the heat reservoir to which a Carnot engine rejects all the heat that is taken in

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