On a phase diagram, the melting point is the same as .
A) the triple point
B) the freezing point
C) the vapor- pressure curve
D) the boiling point
E) the critical point

Question

Quizplus · Accepted Answer

The melting point is the temperature at which a solid changes to a liquid, and it is the same as the freezing point, which is the temperature at which a liquid changes to a solid. On a phase diagram, the melting/freezing point is represented by the solid-liquid line.

On a Phase Diagram, the Melting Point Is the Same