Question

Write 2 points of differences.



2. Physical change and chemical change​

Answer 1

Physical change:- 1.A Physical change affects only physical properties i.e. shape, size, etc.

2.A physical change involves a change in physical properties. Examples of physical properties include melting, transition to a gas, change of strength, change of durability, changes to crystal form, textural change, shape, size, color, volume and density.

3.No new substances formed.

Chemical change:-1.Chemical changes cause a substance to change into an entirely substance with a new chemical formula.

2.Rotting, burning, cooking, and rusting are all further types of chemical changes because they produce substances that are entirely new chemical compounds.

3.New substances formed.