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For a unary (one component) system, the maximum number of phases that can coexist in equilibrium at the triple point is

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To easily remember this concept, look at the name: Triple Point. The word "triple" directly indicates that three distinct phases (Solid, Liquid, and Gas) intersect and coexist in perfect equilibrium at that specific temperature and pressure.

Updated On: Jun 25, 2026

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The Correct Option is C

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For a unary (one component) system, the maximum number of phases that can coexist in equilibrium at the triple point is

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The Correct Option is C

Solution and Explanation

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