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What household items contain bromothymol blue?
Bromothymol blue has no household uses.
Is bromothymol blue in blue food coloring?
No, bromothymol blue is not typically used in blue food coloring. Blue food coloring usually contains synthetic colorants such as Brilliant Blue FCF (Blue 1) or Indigo Carmine (Blue 2), which are specifically approved for food use by regulatory agencies. Bromothymol blue is more commonly used as a pH indicator in laboratories and not intended for consumption.
Why doest fresh water containing bromothymol blue turns yellow?
Hydrogen Chloride (HCl) is an acid. Bromothymol blue turns yellow as HCl is placed in it. Acids change the color of bromothymol blue from green-yellow, depending on whether it is a strong acid or a weak acid.
What is the pH indicator used in the citrate test?
Bromothymol blue is the pH indicator used in the citrate test. It turns blue at an alkaline pH, indicating that citrate has been utilized by the bacteria.
What 2 solutions can be used to test for carbon dioxide?
Two solutions that can be used to test for carbon dioxide are limewater (calcium hydroxide solution) and bromothymol blue indicator. Limewater turns milky when carbon dioxide is present, indicating the formation of calcium carbonate. Bromothymol blue changes color from blue to yellow in the presence of carbon dioxide.
Action of sodium hydroxide on 0.1 bromothymol blue?
Sodium hydroxide will cause bromothymol blue to change color from yellow to blue. This is due to the increase in pH causing the solution to become more basic. The color change serves as an indicator of the presence of a base.
What happens when you mix SODIUM HYDROXIDE and Bromothymol blue?
When sodium hydroxide is mixed with bromothymol blue, the solution turns blue due to the alkaline nature of sodium hydroxide. This indicates a basic pH level.
How is bromothymol blue made?
Bromothymol blue is synthesized by reacting thymol with bromine in acetic acid. The reaction results in the introduction of bromine atoms into the thymol molecule, producing bromothymol blue as the final product. The resulting compound is then purified through recrystallization to obtain a pure form of bromothymol blue.
What is the action of sodium chloride on 0.1 bromothymol blue?
Sodium chloride will not have any significant impact on bromothymol blue since it is a neutral compound that does not affect the pH indicator properties of bromothymol blue.
What is the action of nitric acid on Bromothymol?
Nitric acid will oxidize bromothymol blue, causing a color change from blue to yellow. This reaction is a result of the nitric acid oxidizing the alcohol groups in bromothymol to form new compounds with yellow coloration.
What colour does litmus turn in potassium hydroxide?
Litmus paper will turn blue in the presence of potassium hydroxide, indicating a basic solution.
What happens when potassium hydroxide reacts with litmus paper?
Potassium hydroxide is a strong base that will turn red litmus paper blue, indicating its basic nature. The hydroxide ions in potassium hydroxide react with the indicator dye in the litmus paper, causing a color change.
What household items contain bromothymol blue?
Bromothymol blue has no household uses.
Colour of sodium hydroxide in bromothymol blue?
Bromothymol blue is a chemical indicator for weak acids and bases. The chemical is also used for observing photosynthetic activities or respiratory indicators (turns green then yellow as CO2 is added). Since dissolved O2 does not affect pH, the solution remains the same color it was when it was added (yellow for acidic, green for neutral, blue for alkaline).
What colour is bromothymol blue in water?
Bromothymol blue is blue in neutral or basic solutions, and yellow in acidic solutions.
What colour is bromothymol blue at the 5 pH level?
Bromothymol blue is green at a pH of 5.
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..
