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Answered

What does bromothymol blue qualitatively measure using color changes?

A. the rate of exercise performed
B. the amount of energy consumed
C. the rate of O₂ produced
D. the rate of CO₂ produced



Answer :

GinnyAnswer

Final answer:

Bromothymol blue changes color based on the rate of CO₂ produced, acting as a qualitative indicator of CO₂ levels.


Explanation:

Bromothymol blue (BTB) changes color from blue to green to yellow as carbon dioxide is added, making it a good indicator for the rate of CO₂ produced during processes like burning or cellular respiration. The color changes in the solution serve as a qualitative measure of the CO₂ levels present.


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