Heating Curve Quiz

What line segment represents only the solid state?

• A-B

• B-C

• C-D

• D-E

In which segment is the kinetic energy remaining constant?

• A-B

• B-C

• C-D

• E-F

What state(s) of matter are present at D-E?

• Solid-liquid

• Liquid

• Liquid-gas

• Gas-Solid

Between which points is the temperature of the substance remaining constant?

• A-B only. 

• A-B, C-D, E-F

• B-C only. 

• B-C, D-E

Between which points is the temperature of the substance increasing?

• A-B only. 

• A-B, C-D, E-F

• B-C only. 

• B-C, D-E

What state of matter is segment 5?

• Solid

• Liquid

• Gas

• Plasma

Between which points is the substance changing state?

• A-B only. 

• A-B, C-D, E-F

• B-C only. 

• B-C, D-E

True or false: melting and freezing occur at the same temperature.

• True

• False

• I don't know

A substance's heating curve is shown in the graph.  What is its boiling point?

• 100 C

• 60 C

• 80 C

• 20 C

Which of the following terms identifies the change from a liquid to gas?

• Vaporization or Evaporation

• Condensation

• Deposition

• Sublimation