Which of the Statements Concerning the Phase Diagram Is/are CORRECT

question 58

Multiple Choice

Which of the statements concerning the phase diagram is/are CORRECT?
1) Only the solid phase exists at point A.
2) At point C,the solid and liquid phases are in equilibrium.
3) At point D,the critical point,the substance exists as a supercritical fluid.

• A) 1 only
• B) 2 only
• C) 3 only
• D) 1 and 3
• E) 1,2,and 3

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