Theory
Practice Questions
| 1. |
Exothermic and endothermic changes
Difficulty: easy |
4
|
| 2. |
Change: Reversible and irreversible
Difficulty: easy |
2
|
| 3. |
Characteristics of desirable and undesirable change
Difficulty: easy |
2
|
| 4. |
Types of changes
Difficulty: medium |
2
|
| 5. |
Characteristics of changes
Difficulty: medium |
2
|
| 6. |
Changes
Difficulty: medium |
3
|
| 7. |
Steps involved in natural changs
Difficulty: medium |
4
|
| 8. |
Comparison of reversible and irreversible changes
Difficulty: hard |
5
|
| 9. |
Burning of candle
Difficulty: hard |
5
|
| 10. |
Natural changes: Weathering of rocks and soil erosion
Difficulty: hard |
4
|