Question:easy

On the pressure-temperature diagram for a one-component system, the point where the solid-liquid and the liquid-gas curves intersect is:

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The point where solid, liquid, and gas coexist together.
Updated On: Jul 3, 2026
  • Triple point
  • Critical point
  • Melting point
  • Boiling point
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The Correct Option is A

Solution and Explanation

Critical point ends the liquid-gas curve, not an intersection. Melting/boiling points refer to single curves. Only the triple point is where all three phases coexist.
\[\boxed{\text{Triple point}}\]
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