Question

which statement describes an extensive property of matter? it changes with the color of a substance. it changes when a new substance is formed. it changes with the amount of sample that is present. it changes with the composition of a substance.

Explanation:

Extensive properties of matter depend on the amount of substance present. Color, formation of new substances, and composition - related changes are not defining features of extensive properties.

Answer:

It changes with the amount of sample that is present.