Which of the following is the correct formula for gibb’s phase rule – McqOptions

MCQOPTIONS

1.	Which of the following is the correct formula for gibb’s phase rule?
A.	F=c+p
B.	F=c+p-2
C.	F=c-p-2
D.	F=c*p -2
Answer» C. F=c-p-2

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