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"Law of corresponding states" says that | |
A. | , two different gases behave similarly, if their reduced properties (i.e. P, V and T) are same. [Correct Answer] |
B. | the surface of separation (i. e. the meniscus) between liquid and vapour phase disappears at the critical temperature. [Wrong Answer] |
C. | no gas can be liquified above the critical temperature, howsoever high the pressure may be. [Wrong Answer] |
D. | the molar heat of energy of gas at constant volume should be nearly constant (about 3 calories). [Wrong Answer] |