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Which indicator is pale blue in plain water and turns yellow in the presence of an acid?
Wiki User
∙ 12y ago
Bromothymol blue, also known as BTB.
Wiki User
∙ 12y ago
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Why is red hydrogencarbonate indicator turns yellow?
it turns from red to yellow if there is a presence of carbon dioxide.
Why the termaric stains turns to red when soak it in the detergent?
turmeric is a indicator which turns yellow in the presence of acid and red in presence of a base.detergent is also a base.that is why it turns red.
What is a chemical indicator for carbon dioxide?
Bromothymol blue...It turns from blue to yellow in presence of C02.
What universal indicator turns yellow?
Sc4 aswell as nitrogen citride
When mixed with a drop of bromthymol blue what will cause the indicator to turn from blue to yellow?
Bromthymol Blue indicates Carbon dioxide is present. It is also a general acid-base indicator. When it turns green it is at the endpoint of the titration. When it turns yellow, it is overshot and thus acidic.
Why is red hydrogencarbonate indicator turns yellow?
it turns from red to yellow if there is a presence of carbon dioxide.
Why the termaric stains turns to red when soak it in the detergent?
turmeric is a indicator which turns yellow in the presence of acid and red in presence of a base.detergent is also a base.that is why it turns red.
What is a chemical indicator for carbon dioxide?
Bromothymol blue...It turns from blue to yellow in presence of C02.
What color when acid is put on turmeric indicator?
it turns yellow
What universal indicator turns yellow?
Sc4 aswell as nitrogen citride
When mixed with a drop of bromthymol blue what will cause the indicator to turn from blue to yellow?
Bromthymol Blue indicates Carbon dioxide is present. It is also a general acid-base indicator. When it turns green it is at the endpoint of the titration. When it turns yellow, it is overshot and thus acidic.
Why does yellow curry stain on a white shirt turns red when it is washed with soap?
the curry contains turmeric contents(an indicator of acids/bases) which in turn turns to reddish brown to indicate the presence of base in the soap.hence proved..hehe!!...:D
What acid turns the indicator yellow when glucose is being catalyzed on OF media?
CO2
What is the pH if something turns yellow-green?
Depends which type of indicator you used.
What color change does starch indicator solution make in the presence of starch?
Iodine turns it purple in the presence of starch. :D~PiNkBuN17 Aka Aisha
What is red cabbage juice indicator in base?
it turns greenish yellow if it is added to a base
What effect do alkali's have on methyl orange indicator?
It turns the alkali into a red/yellow colour
