Theory
Practice Questions
| 1. |
Conservation of mass in physical change
Difficulty: easy |
1
|
| 2. |
Conservation of mass in chemical change
Difficulty: medium |
2
|
| 3. |
Comparison of physical and chemical changes
Difficulty: medium |
3
|
| 4. |
Law of conservation of mass I
Difficulty: easy |
1
|
| 5. |
Law of conservation of mass II
Difficulty: medium |
4
|
| 6. |
Law of conservation of mass III
Difficulty: medium |
5
|
| 7. |
Law of definite proportions
Difficulty: easy |
2
|
| 8. |
Law of constant proportions
Difficulty: hard |
4
|
| 9. |
TBQ - Application of law of constant proportions
Difficulty: hard |
3
|