Separation of two volatile liquids by distillation makes use of their________?

If helium is introduced in a reactor containing O2, SO2 and SO3 at equilibrium, so that total pressure increases while volume and temperature remains constant. In this case the dissociation of SO3 (as per Le Chatelier’s principle)?

General mechanism of size reduction in intermediate and fine grinder is by ________?

Azeotropism for ethyl alcohol-water system disappears by________?

Concentration of sulphide ores is done usually by________?

Though, theoretically the adsorption & desorption isotherms is expected to coincide but sometimes at least a part of the isotherms does not coincide and this phenomenon is known as adsorption hysteresis. In such cases, the desorption equilibrium pressure is ________ that obtained for adsorption?