Home
MCQ QUIZ APP DOWNLOAD

What is the correct answer?

4

Heat evolved/absorbed during conversion of a substance from one allotropic form to another is termed as the heat of

A. Fusion

B. Vaporisation

C. Transition

D. None of these

Correct Answer :

C. Transition


Related Questions

In the equation, PVn = constant, if the value of n = ± ∞, then… For a thermodynamic system containing 'x' chemical species, the maximum… Which of the following is Virial equation of state? Tea kept in a thermos flask is vigorously shaken. If the tea is considered… The value of gas constant 'R' is While dissolving a gas into a liquid at a constant temperature, the ratio… Gibbs phase rule finds application, when heat transfer occurs by Which one is true for a throttling process? A Carnot cycle consists of the following steps: Number of degrees of freedom for a three phase system in equilibrium comprising… For an incompressible fluid, the __________ is a function of both pressure… Entropy, which is a measure of the disorder of a system, is: In the equation, PVn = Constant, if the value of n = 0, then it represents… A solute distributes itself between two nonmiscible solvents in contact… Pick out the wrong statement. For any system, what is the minimum number of degrees of freedom? Clausius-Clapeyron equation is applicable to __________ equilibrium processes. At the critical point of a substance The expression for the work done for a reversible polytropic process can… Which of the following processes cannot be made reversible even under… What is the value of ln y (where y = activity co-efficient) for ideal… In the ammonia synthesis reaction, N2 + 3H2 2NH3 + 22.4 kcal, the formation… Specific/molar Gibbs free energy for a pure substance does not change… Degree of freedom of a system consisting of a gaseous mixture of H2 and… Which of the following units is not present in both the vapor compression… Internal energy of an ideal gas The internal energy of an ideal gas is a function of its __________ only. Sound waves propagation in air exemplifies an __________ process. Compressibility factor (i.e., the ratio of actual volume of gas to the… The molar excess Gibbs free energy, gE, for a binary liquid mixture at…