Question

State four differences between physical and chemical changes

Answer 1

The four differences between physical and chemical changes can be given as,

Physical change	Chemical change
No new substance is formed.	New substances are formed.
Composition of the substance undergoing the change remains the same.	New substances have different composition.
Alters the physical properties of the substance.	Alters the chemical properties of the substance.
Are temporary changes.	Are permanent changes.