Is Matter Around Us Pure

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Physical change: The change in which no new substance is formed is called a physical change. During a physical change, chemical properties do not change but physical properties do change. For example, melting of ice. In this physical state of ice changes but its chemical properties do not change.

A physical change can be easily reversible

No new products formed in a physical change

chemical change: The change in which a new substance is formed is called a chemical change. During a chemical change, chemical properties change. For example, burning of sugar. When sugar burns it convert in carbon.

A chemical change cannot be easily reversed.

New Product is formed.