Question 15 Marks
Give one example for each case that happens around you.
- Slow and fast change
- Reversible and irreversible change
- Physical and chemical change
- Natural and man-made change
- Desirable and undesirable change
Answer
View full question & answer→| S.No. | Changes | Examples |
| a. | Slow change | growth of nail and hair |
| Fast change | burning of a paper | |
| b. | Reversible change | melting of ice |
| Irreversible change | change of milk into curd. | |
| c. | Physical change | drying of cloth |
| Chemical change | rusting of iron | |
| d. | Natural change | rotation of earth |
| Man-made change | construction of building | |
| e. | Desirable change | cooking of food |
| Undesirable change | deforestation. |