According to Gibbs rule the number of phases (P) present in a system – McqOptions

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1.	According to Gibbs rule the number of phases (P) present in a system in equilibrium is given as_________
A.	P=C+N-F
B.	P=C+F-N
C.	P=F+N-C
D.	P=C+N+F
Answer» B. P=C+F-N

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