What changes in colour are produced when a basic solution is combined with the China rose indicator?
Answer & explanation
Correct answer: option 2
The correct answer is option 2. It turns green.
When a basic solution is combined with the China rose indicator, it turns green.
China rose acts as a natural indicator and changes color based on the acidity or basicity of a solution:
- Acidic solution: Turns dark pink (magenta).
- Basic solution: Turns green.
- Neutral solution: Shows minimal color change (may appear slightly reddish).