Question

physical and chemical change
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Answer 1

A chemical change results from a chemical reaction, while a physical change is when matterchanges forms but not chemical identity. Examples of chemical changes are burning, cooking, rusting, and rotting. Examples of physical changes are boiling, melting, freezing, and shredding.....

Answer 2

Physical change- The type of change in which no new substance is formed. Physical change is reversible change. It only affect the physical appearance but not the chemical composition.

Ex- melting of ice into water

Chemical change- The change in which a new substance is formed is called chemical change. It is also called irreversible change.

Ex- growing of a plant into tree