In general, when a substance changes from a solid to a liquid,

Question

A.
the density of the substance increases.
B.
the substance no longer has density since density is a property only solids have.
C.
the density of the substance decreases.
D.
the density of the substance remains the same.

Answer 1

The correct answer is C.

When a substance changes from a solid to a liquid, it typically expands and its density decreases. This is due to the fact that the particles in a solid are more closely packed than in a liquid, and as it melts, they gain energy and move apart, resulting in a lower density.