Question 1
On a heating curve a plateau corresponds to ________.
◦ a change in temperature of a solid
◦ a change in temperature of a gas
◦ a change in temperature of a liquid
◦ a change of state
◦ the solid being broken into smaller pieces
Question 2
Which of the following does not represent a step on the heating curve of water?
◦ Both liquid water and ice are present at 0 °C.
◦ The temperature of liquid water remains at 100 °C as it boils.
◦ The temperature of liquid water increases linearly as it is heated.
◦ The temperature of ice remains at 0 °C as it melts.
◦ The temperature of steam cannot exceed 100 °C.