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Which indicator is pale blue in plain water and turns yellow in the presence of an acid?
Bromothymol blue is pale blue in plain water and turns yellow in the presence of an acid. It is commonly used as a pH indicator in science experiments to detect the acidity or basicity of a solution.
What is the colour change of carrot indicator in acid medium?
Carrot indicator turns yellow in an acidic medium. This change in color is due to the presence of anthocyanins that react with the acidic solution.
What color does BTB turn when mixed with a acid or a base?
Bromothymol blue (BTB) turns yellow in the presence of an acid and blue in the presence of a base.
Aerobic organisms degrade glucose producing carbon dioxide and water What acid turns the indicator yellow?
The acid that turns the indicator yellow in this scenario is carbonic acid, which is formed when carbon dioxide reacts with water. It causes the indicator to change color due to a decrease in pH levels.
What colour does acid turn when added to universal indicator?
When acid is added to universal indicator, the indicator will typically change to shades of red, orange, or yellow, depending on the strength of the acid.
Which indicator is pale blue in plain water and turns yellow in the presence of an acid?
Bromothymol blue is pale blue in plain water and turns yellow in the presence of an acid. It is commonly used as a pH indicator in science experiments to detect the acidity or basicity of a solution.
What color when acid is put on turmeric indicator?
it turns yellow
What is the colour change of carrot indicator in acid medium?
Carrot indicator turns yellow in an acidic medium. This change in color is due to the presence of anthocyanins that react with the acidic solution.
What color does BTB turn when mixed with a acid or a base?
Bromothymol blue (BTB) turns yellow in the presence of an acid and blue in the presence of a base.
Aerobic organisms degrade glucose producing carbon dioxide and water What acid turns the indicator yellow?
The acid that turns the indicator yellow in this scenario is carbonic acid, which is formed when carbon dioxide reacts with water. It causes the indicator to change color due to a decrease in pH levels.
What colour does acid turn when added to universal indicator?
When acid is added to universal indicator, the indicator will typically change to shades of red, orange, or yellow, depending on the strength of the acid.
Phenol red turns what color when carbon dioxide is added?
Phenol red turns yellow in the presence of carbon dioxide due to the formation of carbonic acid. This acidic environment causes the phenol red indicator to shift from its original red color to a yellow hue.
What colour does hydrogencarbonate indicator turn with Nitrogen?
It would start off red i know & i think would turn yellow
What color does beetroot indicator turn when an alkali is added?
i turns yellow and it turns pink when you add acids
What colour does universal indicator turn in dilute hydrcholic acid?
Universal indicator turns red or pink in dilute hydrochloric acid because it indicates the presence of an acidic solution.
What does a sodium hydrogen carbonate indicator do?
A sodium hydrogen carbonate indicator is used to test for the presence of acids. It turns pink in the presence of an acid and yellow in the presence of a base. This color change helps to determine whether a solution is acidic or basic.
What is an indicator of an acid?
You can use pH meter(an acid is less than 7units). Red cabbage, strawberry, or cherry solution.(turns yellow with an acid). Blue Litmus Paper(Turns red with an acid). These are some examples of acid indicators.
