color
 






 

Question by  Aaronchristensen (4)

What color is "bromothymol blue"?

 
+6

Answer by  diabro (35)

When blue, bromothymol blue is a deep, hard blue, but can also be yellow or green depending on the acidity of the base it is in.

 
+5

Answer by  ChuckMoeller (10)

It's not just a color but a chemical indicator use to check for acids and bases; if you add this indicator (whose normal color is violet) to a solution, it turns blue if the solution is basic, green if neutral and yellow if acid.

 
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