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According to our experiment, CO2 was released to the BTB, it became like color yellow-green.

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12y ago

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What is the function of bromthymol blue in CO2?

Bromthymol blue is used as an indicator to detect the presence of carbon dioxide (CO2) in a solution. It changes color in the presence of acidic conditions, which can indicate the presence of CO2 as it forms carbonic acid when dissolved in water.


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