Question

please answer this question

Answer 1

Examples of Physical Changes

crushing a can.melting an ice cube.boiling water.mixing sand and water.breaking a glass.dissolving sugar and water.shredding paper.chopping wood.

Answer 2

In some changes, there is no new substance formed but only a change in physical property occurs .This is called Physical Change.

1:Examples of physical changes are :

Condensation of steam into water

Sublimation

Evaporation

2 -Because once curd is formed it can't be changed into milk again and a chemical change cannot be reversed.