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The color is dark blue.

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Q: What is the action of potassium hydroxide on 0.1 bromothymol blue?
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Action of sodium hydroxide on 0.1 bromothymol blue?

The color is blue.


How is bromothymol blue made?

Bromothymol blue solution can be made by adding 20 milliliters of alcohol to 0.1 grams of bromothymol blue powder and 10 milliliters of 4 percent sodium hydroxide solution. Next, add one liter of of distilled water. If it looks green instead of blue, add some sodium hydroxide to it one drop at a time until it turns blue.


What is the action of sodium chloride on 0.1 bromothymol blue?

The color remain unchanged.


What household items contain bromothymol blue?

Bromothymol blue has no household uses.


Bromothymol blue a base or acid?

yes. bromothymol blue can act as a acid base indicator. becoz in acidic condition(pH:below 7) bromothymol blue is in green colour whereas in alkaline condition(pH: above 7) its colour changes into blue..


What is a chemical indicator for carbon dioxide?

Bromothymol blue...It turns from blue to yellow in presence of C02.


Why is bromothymol blue used?

Bromothymol blue is used as an indicator dye and to cure ich in aquarium fish.


How to tranform cupric sulfate to cupric hydroxide?

Put drops of Sodium, Potassium, or Ammonium Hydroxide in it. The Cupric hydroxide will precipitate out in blue colour. Dont put excess hydroxide or there will be a formation of another intense blue complex compound


What does universal indicator contain?

Water, propan-1-ol, phenolphthalein sodium salt, sodium hydroxide, methyl red, bromothymol blue monosodium salt, thymol blue monosodium salt.


Is bromothymol a base or acid?

The water solution of bromothymol blue is a little acidic.


What happens when you mix bromothymol blue and calcium chloride?

the temperature changes and the color of the solution turns light green


How do you prepare thymol blue indicator?

Bromothymol Blue (BTB)Bromothymol blue is an indicator, a substance that changes color as the pH of a solution changes. Bromothymol blue is yellow in acidic solutions and blue in basic solutions.BTB can be prepared by mixing 0.1 g (a pinch) of bromothymol blue powder in 10 mL of a 4% solution of sodium hydroxide.Add 20 mL of alcohol and dilute to 1 L with distilled water.The solution should be deep blue.If it is green, add sodium hydroxide solution drop by drop until the solution turns blue.Bromothymol blue can be purchased from scientific supply houses.CAUTION: Sodium hydroxide is corrosive; the BTB solution should be prepared in a laboratory. BTB stains hands and clothes. Have students wear goggles and follow safety precautions when using BTB solution.