Question

define physical changes with example

Answer 1

Definition of Physical Changes. Substances often undergo changes that make them have a dramatically different appearance, even though the chemical composition of the substance remains unchanged. For example, you can take a flat, smooth sheet of paper and crumple it into a ball or fold it into an airplane

Hope it helps u alot

Answer 2

the change which changes only the physical properties of a substance like color, appearance etc; and does not affect the chemical composition of the substance is called a physical change.

example, the melting of a candle is a physical change.