Question

The critical point of a substance corresponds to the state
(A) at which the solid, liquid and vapor phases are in equilibrium
(B) beyond which liquid will require very large amount of heat to become vapor
(C) beyond which solid sublimates directly to the vapor state
(D) beyond which the distinction between liquid and vapor phases disappears

Answer 1

Hey here is your answer
D) Beyond which the distinction between liquid and vapor phases disappears