Theory
Practice Questions
| 1. |
Organic acid and its properties
Difficulty: medium |
2
|
| 2. |
Acid-base indicators
Difficulty: easy |
4
|
| 3. |
Litmus test
Difficulty: medium |
2
|
| 4. |
Organic acids
Difficulty: medium |
4
|
| 5. |
Indicators
Difficulty: medium |
4
|
| 6. |
Colour change and natural pigments
Difficulty: easy |
2
|
| 7. |
Colour change of indicators
Difficulty: hard |
4
|
| 8. |
Characteristics of indicators
Difficulty: medium |
2
|
| 9. |
Different natural indicators
Difficulty: hard |
4
|