Question

What is a physical change? give examples.

Answer 1

Physical change: The changes in which only physical properties of substances are changed and no new substance is formed is called a physical change.

Some characteristics of a physical change are:

• Temporary in nature.
• Does not affect the internal structure of a substance, only the molecules are rearranged.
• No new substance is formed.
• Most of the physical changes are reversible. We can obtain the substance back even after the change.
• For example Boiling and freezing of water.