Multiple choice

The point at which solid, liquid and gaseous forms of a substance co-exist is called

  1. sublimation point

  2. distillation point

  3. triple point

  4. melting point

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

The triple point of a substance is the specific temperature and pressure at which the three phases (solid, liquid, and gas) of that substance coexist in thermodynamic equilibrium.