Practice Questions
| 1. |
Matter
Difficulty: easy |
2
|
| 2. |
State of metals and non-metals
Difficulty: easy |
2
|
| 3. |
Atomicity of molecules
Difficulty: easy |
5
|
| 4. |
Elements
Difficulty: easy |
2.5
|
| 5. |
Atoms and molecules
Difficulty: medium |
5
|
| 6. |
Atoms, molecules, elements and compounds
Difficulty: medium |
2
|
| 7. |
Pure and impure substances
Difficulty: medium |
3
|
| 8. |
Molecules, compounds and elements
Difficulty: medium |
5
|
| 9. |
Atoms and elements
Difficulty: hard |
3
|