Question

(1) What do you understand by a physical
change?
OR
Define physical change.​

Answer 1

Answer:

Physical changes are changes affecting the form of a chemical substance, but not its chemical composition. ... 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.

For example water changing into ice

Breaking of glass

Answer 2

Answer:

Physical changes are the changes affecting the form of chemical substances, but not it's chemical composition.

example = melting of Ice is an example of physical changes.