Stoichiometry | Test For NTS PPSC FPSC, TEST

A. Removal of pure solvent by evaporation
B. Change of temperature thereby causing super-saturation
C. Changing the nature of the system by the addition of a more soluble material
D. All A., B. & C.

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Category: Stoichiometry

Which is not an acidic refractory ?

The vapor pressures of benzene and toluene are 3 and 4/3 atmospheres respectively. A liquid feed of 0.4 moles of benzene and 0.6 moles of toluene is vaporised. Assuming that the products are in equilibrium, the vapor phase mole fraction of benzene is_________________?

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 ¾ 0.75 ρ at a temperature of ____________ °K?

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The crystallisation of a solute from a solution may be done by________________?

_________________ chart is a graph related to Antoine equation ?

Unit of mass velocity is___________________?