Multiple choice

The temperature and pressure at which all 3 states of matter co-exist in equilibrium is known as

  1. critical point

  2. end point

  3. triple point

  4. absolute zero
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Triple Point is the temperature and pressure at which solid, liquid, and vapour phases of a particular substance coexist in equilibrium. A specific case of phase equilibrium. e.g.The triple point for water is at 0.01o Celsius at 4.56 mm Hg.

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