A . The mole fraction of solute is directly proportional to the molality of a 'dilute' solution.
B . For a non-reacting binary mixture of ideal gases, the partial pressure distribution of both components is nonlinear in the case of steady state unimolal unidirectional diffusion.
C . Azeotropes obey Raoult's law at all temperature.
D . The relative volatility of a binary mixture at the azeotropic composition is 1.
Answer: Option C Answer: (c).Azeotropes obey Raoult's law at all temperature.
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