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ANTIGEN QUIZ

Co-efficient of Performance (COP) of a refrigerator is the ratio of the

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If different processes are used to bring about the same chemical reaction, the enthalpy change is same for all of them. This is __________ law.

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Work done in case of free expansion is

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Tea kept in a thermos flask is vigorously shaken. If the tea is considered as a system, then its temperature will

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The absolute entropy for all crystalline substances at absolute zero temperature is

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Joule-Thomson co-efficient for a perfect gas is

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A refrigeration cycle is a reversed heat engine. Which of the following has the maximum value of the co-efficient of performance (COP) for a given refrigeration effect?

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Molar heat capacity of water in equilibrium with ice at constant pressure is __________ Kcal/kg mole . °K

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What is the degree of freedom for two mis-cible (non-reacting) substances in vapor-liquid equilibrium forming an azeotrope?

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The total change in the enthalpy of a system is independent of the

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