Question

Which of the following is true for a heating curve?

A.It shows how the pressure of a substance changes when heated.
B.It shows how the temperature of a substance changes when heated.
C.It shows how the volume of a substance changes when heated.
D.It shows how the mass of a substance changes when heated.

Answer 1

B

Step-by-step explanation:

A heating curve is a plot or graph wherein a substance is subjected to increasing temperature against time to measure the amount of energy it absorbs and changes state with increasing temperature. ... Nevertheless, a plateau is reached when the substance reaches melting point, i.e. changing from solid to liquid.