Saturated solution of benzene in water is in equilibrium with a mixture of air and vapours of benzene and water at room temperature and pressure. Mole fraction of benzene in liquid is xB and the vapour pressures of benzene and…

1 torr is equal to ______________ mm Hg column? A. 1 B. 0.1 C. 10 D. 1000

The quantity of heat required to evaporate 1 kg of a saturated liquid is called __________________? A. Specific heat B. 1 Kcal C. Sensible heatD. Latent heat

Unrestrained expansion of an ideal gas does not result in its cooling due to the reason that the gas molecules ____________________? A. Do not lose energy on collision B. Are above the inversion temperatureC. Do not exert attractive force on…

Which of the following is not a colligative property ? A. Osmotic pressure B. Depression of freezing point C. Lowering of vapor pressureD. None of these

Total energy at a point comprises of _____________ energy? A. Potential & kinetic B. Pressure C. InternalD. All A., B. & C.

The temperature of a gas in a closed container is 27° C. If the temperature of the gas is increased to 300° C, then the pressure exerted is___________________? A. Doubled B. Halved C. TrebledD. Unpredictable

A gas mixture contains 6 moles of H2 and 2 moles of N2. If the total pressure of the gaseous mixture is 4 kgf/cm2; then the partial pressure of N2 in the mixture will be _____________ kgf/cm2 ? A. 1…

Hess’s law of constant heat summation is based on conservation of mass. It deals with ___________________? A. Equilibrium constant B. Reaction rateC. Changes in heat of reaction D. None of these

In a neutral solution _________________? A. H+ ions are absent B. OH- ions are absentC. Both H+ and OH- ions are present in very small but equal concentration D. None of these