The Graph Shows the Temperature of a 1

question 114

Multiple Choice

The graph shows the temperature of a 1.0-g sample of material as heat is added to it. The material is initially a solid at 10°C. The pressure remains constant, and there is no chemical change. The melting point temperature is

• A) 10°C.
• B) 100°C.
• C) 60°C.
• D) 73°C.
• E) None of these is correct.