Saved Bookmarks
| 1. |
Explain what are physical and chemical changes. Give examples. |
|
Answer» Physical change: When the material undergoes a change in shape, size, colour or state, it is called a physical change. Eg: Heating ice, filling air into Balloons Chemical change: When a material undergoes a change in shape and size and a new material is formed, then we call it a chemical change. Eg: 1. Burning of crackers 2. Change of milk into curd 3. Burning a piece of wood. |
|