Based on the Phase Diagram of a Pure Substance Given

question 95

Multiple Choice

Based on the phase diagram of a pure substance given below,which statement is true?

• A)The solid phase has a lower density than the liquid phase.
• B)The triple point is at a higher temperature than the normal melting point.
• C)The substance changes from a solid to a liquid as one follows the line from C to D.
• D)The substance changes from a liquid to a gas as one follows the line from C to D.
• E)Point B represents the critical temperature and pressure for the substance.

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