Question

which option is an example of a physical property?
flammability
toxicity
melting point
rusting ability

Explanation:

Physical properties can be observed or measured without changing the substance's chemical identity. Flammability, toxicity, and rusting ability involve chemical changes. Melting point is a physical property as it is the temperature at which a substance changes from solid to liquid without altering its chemical composition.

Answer:

melting point