Q. Saturated molal absolute humidity of the vapor-gas mixture depends upon the

View solution

Q. At a constant volume, for a fixed number of moles of a gas, the pressure of the gas increases with rise of temperature due to

View solution

Q. 'Cox' chart which is useful in the design of a distillation column (particularly suitable for petroleum hydrocarbons) is a plot of the

View solution

Q. Boiling point of a non-homogeneous mixture of immiscible liquids is __________ that of any one of its separate components.

View solution

Q. A vapor whose partial pressure is less than its equilibrium vapor pressure is called a __________ vapor.

View solution

Q. Sometimes, in chemical processes, a part of the outlet stream is rejected as waste in order to keep the impurity level in the system within limits. This phenomenon is termed as the

View solution

Q. The density of a gas at N.T.P.is 'ρ'. Keeping the pressure constant (i.e. 760 mm Hg), the 3 density of the gas will become 3/4 (0.75ρ)at a temperature of __________ °K

View solution

Q. A gas occupies a volume of 283 c.c at 10°C. If it is heated to 20°C at constant pressure, the new volume of the gas will be __________ c.c.

View solution

Q. In the reaction, represented by Na₂CO₃ + HCl → NaHO₃ + NaCl, the equivalent weight of Na₂CO₃ is

View solution

Q. The number of water molecules present in a drop of water weighing 0.018 gm is 6.023 x __________

View solution

Q. The density of a liquid is 1500 kg/m³. Its value in gin/litre will be equal to

View solution

Q. The heat of vaporisation __________ with increase in pressure.

View solution

Q. Raoult's law is not applicable to the

View solution

Q. A compound was found having nitrogen and oxygen in the ratio 28 gm and 80 gm respectively. The formula of the compound is

View solution

Q. The atomic heat capacities of all solid elements __________ with decrease in temperature.

View solution

Q. Raoult's law states that 'the equilibrium vapor pressure that is exerted by a component in a solution is proportional to the mole fraction of that component'. This generalisation is based on the assumption that the

View solution

Q. °API gravity of water at N.T.P. is about

View solution

Q. In case of vapor-liquid equilibria, which of the following does not account for gas phase deviation from ideality?

View solution

Q. If the pressure of a gas is reduced to half & its absolute temperature is doubled, then the volume of the gas will

View solution

Q. The OH⁻ concentration in a solution having pH value 3 is

View solution