what type of assessment does the observable color change in the bromothymol blue experiment represent…

what type of assessment does the observable color change in the bromothymol blue experiment represent? controlled qualitative quantitative uncontrolled
Answer
Brief Explanations:
Qualitative assessment deals with non - numerical observations. Color change is a non - numerical characteristic observed in the bromothymol blue experiment. It describes the nature of a substance's property (acidity or basicity in this case) without measuring quantities.
Answer:
B. qualitative