The quantitative effect of temperature on chemical equilibrium is given by the None of these Vant-Hoff equation Le-Chatelier's principle Arhenius equation TRUE ANSWER : ? YOUR ANSWER : ?
What is the degree of freedom for a system comprising liquid water equilibrium with its vapour? 3 1 2 0 TRUE ANSWER : ? YOUR ANSWER : ?
For an exothremic reaction Enthalpy change is zero Both ΔH and ΔE are negative Only internal energy change (ΔE) is negative Only enthalpy change (ΔH) is negative TRUE ANSWER : ? YOUR ANSWER : ?
When liquid and vapour phases of one component system are in equilibrium (at a given temperature and pressure), the molar free energy is More in vapour phase More in liquid phase Replaced by chemical potential which is more in vapour phase Same in both the phases TRUE ANSWER : ? YOUR ANSWER : ?
A solute distributes itself between two non-miscible solvents in contact with each other in such a way that, at a constant temperature, the ratio of its concentrations in two layers is constant, irrespective of its total amount". This is Followed from Margule's equation The distribution law None of these A corollary of Henry's law TRUE ANSWER : ? YOUR ANSWER : ?
In jet refrigerators, the refrigerating fluid is practically always Freon Ammonia Brine Water TRUE ANSWER : ? YOUR ANSWER : ?
The number of degrees of freedom for an azeotropic mixture in a two component vapour-liquid equilibria is/are Zero Three Two One TRUE ANSWER : ? YOUR ANSWER : ?
Pressure-enthalpy chart is useful in refrigeration. The change in internal energy of an ideal fluid used in ideal refrigeration cycle is Negative Zero Infinity Positive TRUE ANSWER : ? YOUR ANSWER : ?
The partial molar enthalpy of a component in an ideal binary gas mixture of composition Z, at a temperature T and pressure P, is a function only of T and P T T, P and Z T and Z TRUE ANSWER : ? YOUR ANSWER : ?
Standard temperature and pressure (S.T.P.) is 15°C and 1 kgf/cm² 0°C and 1 kgf/cm² 15°C and 750 mm Hg 0°C and 750 mm Hg TRUE ANSWER : ? YOUR ANSWER : ?