Different states of Bromothymol blue, from front red for strong acid, via weaker acids to green =neutral, then nuances of blue for different states of


Different states of Bromothymol blue, from front red for strong acid, via weaker acids to green =neutral, then nuances of blue for different states of alkaline content.


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Photo credit: © Kim Christensen / Alamy / Afripics
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Keywords: acid, alkaline, blue, bromothymol, btb, chemistry, colorful, colors, demonstration, education, educative, experiment, glassware, indicator, laboratory, nature, neutral, perspective, ph, physics, school, science, scientific, test, tubes, tutorial, university