Question

What is pysical change and chemical change​

Answer 1

Answer:

Physical changes only change the appearance of a substance, not its chemical composition. Chemical changes cause a substance to change into an entirely substance with a new chemical formula.

Answer 2

• Physical change

Physical changes is the change of matter that occurs without changing the chemical composition of matter.

Example: Boiling water, Breaking a bottle, Shredding paper, Melting an ice cube, etc.

• Chemical change

Chemical change is the change of chemical composition of matter.

Example: Burning wood, Souring milk, Rusting of iron, Baking cake, etc.