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It turns yellow after we exhaled into the btb solution..:)
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∙ 11y ago
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What color is the bromthymol blue solution before and after you exhaled into it?
The color of the bromthymol blue solution or blue btb is yellow after you exhaled into it..:)
What color is BTB in an acid?
BTB stains hands and clothes. As carbon dioxide is absorbed from the breath into the solution, forming carbonic acid, the solution changes color from green to yellow.
What color is BTB in Sprite?
it is a greenish color.
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.
What color does BTB turn when mixed with a acid or a base?
It forms carbonic acid and turns yellow
What color is the bromthymol blue solution before and after you exhaled into it?
The color of the bromthymol blue solution or blue btb is yellow after you exhaled into it..:)
What is the color of BTB solution after you exhaled it?
It turns yellow
What color is BTB in an acid?
BTB stains hands and clothes. As carbon dioxide is absorbed from the breath into the solution, forming carbonic acid, the solution changes color from green to yellow.
What color you get after mixing lemon juice to BTB solution?
yellow
What does blue mean in btb solution?
the solution is basic
Why does adding carbon dioxide to BTB solution cause a color change?
BTB is an acid indicator. by adding carbon dioxide to the solution, it will turn into carbonic acid (a weak acid) turns green in low concentration and yellow in high concentration.
