Gibbs-Duhem equation – McqOptions

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1.	Gibbs-Duhem equation
A.	states that n1dŒº1 + n2dŒº2 + ....njdŒºj = 0, for a system of definite composition at constant temperature and pressure.
B.	applies only to binary systems.
C.	finds no application in gas-liquid equilibria involved in distillation.
D.	none of these
Answer» B. applies only to binary systems.

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