In the case of a liquid film which of the following is true? (Where – McqOptions

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1.	In the case of a liquid film which of the following is true? (Where is the interfacial free energy and A is the area of the interface).
A.	(d /dA) > 0
B.	(d /dA) < 0
C.	(d /dA) = 0
D.	Cannot be predicted
Answer» D. Cannot be predicted

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