Draw the phase diagram of one component system and find out the number of degree of freedom along the curves and areas .
What is the application of phase rule to one component water system? Explain with the help of diagram.
State the number of phases I component for the following equilibrium
i) H2O(s) ↔ H20(l) ↔ H20(g)
ii)Mixture of Rhombic and monoclinic sulphur.