Question

tell any five physical and five chemical change​

Answer 1

chemical changes:

rusting of iron,burning of wood, baking a cake, cooking an egg,souring milk

physical changes:

melting of ice,boiling water,breaking of glass,chopping wood,mixing sand and water

Answer 2

Answer:

Physical change :

The changes in physical properties like in state, shape, colour, and size. Example are :-

1. Choping of wood to small places.
2. Changing of ice to water.
3. Cutting vegetables
4. Dissolving salt into water.
5. Freezing water.
6. Tearing pages into pieces

Chemical change :-

The changes in which a new substance is formed is known as chemical change. Example are:-

1. Rusting of iron.
2. Burning paper.
3. Cooking food.
4. Passing electricity in water and water braking into h2o and O2.
5. Souring milk.