Question

which property is a chemical property of a substance?
o melting point
o boiling point
o reactivity
o color

Explanation:

Chemical properties describe a substance's ability to undergo chemical changes. Melting point, boiling point, and color are physical properties that can be observed without changing the substance's chemical composition. Reactivity involves a substance's ability to react with other substances, which is a chemical - change related property.

Answer:

reactivity