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Q. |
What is the point at which all the three phases of a system exist? |
A. | triple point |
B. | sublimation point |
C. | vapor point |
D. | eutectic point |
Answer» A. triple point | |
Explanation: since at the triple point, the degree of freedom is zero (that is invariant reaction takes place at that point), therefore according to phase rule, f=c-p+2. |
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