A substance is found to be reactive, flammable, soluble, and explosive. Which of these observations is a physical property?

A.
soluble
B.
reactive
C.
flammable
D.
explosive

1 answer

The observation that is a physical property is:

A. soluble

Solubility refers to how well a substance can dissolve in a solvent, which is a physical property. In contrast, reactivity, flammability, and explosiveness are chemical properties, as they describe the substance's behavior in chemical reactions.