Number of components (C), phase (P) and degrees of freedom (F) are related by Gibbs phase rule as
A
P + F - C = 2
B
C = P - F + 2
C
F = C - P - 2
D
P = F - C - 2
Correct Answer: P + F - C = 2
The Gibbs phase rule for non-reacting system and for equilibrium system is given as $$F=C-P+2$$