Question

which is an example of a physical property? viscosity boiling point mass all of these

Explanation:

A physical property is a characteristic of a substance that can be observed or measured without changing the substance's chemical composition. Viscosity (a measure of a fluid's resistance to flow), boiling point (the temperature at which a substance changes from a liquid to a gas), and mass (a measure of the amount of matter in an object) are all physical properties.

Answer:

D. All of these