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This is because the toothpaste has some amount of acid or alkaline in it .
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∙ 13y ago
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What colour would universal indicator be in caustic soda?
I really do not know
What is the colour of universal indicator solution in a neutral solution?
The Universal Indicator would go green which is pH 7.
What is the specific name of universal indicator?
A Universal indicator is a pH indicator composed of a solution of several compounds that exhibits several smooth colour changes over a pH value range from 1-14 to indicate the acidity or basicity of solutions. A universal indicator is typically composed of water, propan-1-ol, phenolphthalein sodium salt, sodium hydroxide, methyl red, bromothymol blue monosodium salt, and thymol blue monosodium salt.
A soap solution would test as a base with universal indicator paper?
Yes it would
What does an universal indicator tell you about an acid that litmus doesn't?
Universal indicator gives you an indication of the pH of the acid (i.e its 'strength') While both sulfuric acid and vinegar would turn litmus paper red, sulfuric acid would turn universal indicator red, pH of 1, while vinegar would turn it yellow-orange, pH of 4.
What colour would orange juice be in Universal indicator?
orange
What colour would blood turn if a universal indicator was added?
green
What colour would universal indicator be in caustic soda?
I really do not know
What colour would ammonia gas turn universal indicator paper?
Purple:)
What colour would an acid turn if mixed with water and universal indicator?
red
What colour will it be on a universal indicator be on slightly acidic water?
i am sure it would be light red
What colour would you expect stomach acid to turn universal indicator?
blue
What colour would a weak alkali turn in Universal Indicator?
Bluish green :p
What is the colour of universal indicator solution in a neutral solution?
The Universal Indicator would go green which is pH 7.
What colour is sodium chloride in a universal indicator?
It has a pH of 7, meaning it's neutral. It would be Green on a universal indicator.
What colour would universal indicator turn in soil containing alkaline?
Orange! Yah Your WELCOME!
What colour would universal indicator change with potassium hydroxide?
It would make it a blue color, meaning alkaline.
