Question

Characteristics of a material which can be observed without changing the identity of the substances in the material are known as:

a) Chemical properties
b) Physical properties
c) Molecular properties
d) Elemental properties

Answer 1

Physical properties are characteristics of a substance that can be observed or measured without changing its identity.

Step-by-step explanation:

A physical property is a characteristic of a substance that can be observed or measured without changing the identity of the substance. Examples of physical properties include color, density, hardness, and melting and boiling points. These properties can be observed or measured without causing any chemical changes to the substance. Therefore, the correct answer to your question is b) Physical properties.