Question

All substances have characteristic properties. If one of these properties can be observed without changing the identity of the substance, it must be a
A.
universal property.
B.
chemical property.
C.
biological property.
D.
physical property.

Answer 1

The correct answer is D. **physical property**.

Physical properties can be observed or measured without changing the identity of the substance, such as color, melting point, boiling point, and density. Chemical properties, on the other hand, describe how a substance interacts with others and do involve a change in the substance's identity.