Question

Write the characteristics of a physical change.

Answer 1

Definition

A change in which a substance undergoes a change in its physical properties is called a physical change.

The characteristics of physical change include the following :

• A change in the state.
• A change in physical state.
• No change in the identity and composition of the substance.

Examples of physical changes:

• Paper torn into little pieces (change of size)
• Copper($\mathrm{Cu}$) hammered into thin sheets.( change of shape)
• Water(${\mathrm{H}}_2\mathrm{O}$) poured into glass (change of shape)