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What colour is citric acid in universal indicator?

Citric acid is generally colorless in universal indicator. It is a weak acid, so it does not exhibit a strong color change in the indicator solution.


What colour would universal indicator be in a strong alkali?

Universal indicator would be dark blue or purple in a strong alkali.


What colour does universal indicator turn in a strong alkai?

In a strong alkali, universal indicator typically turns dark blue or purple. This color change indicates a high pH level, usually around 12-14.


What colour does universal indicator turn in a strong alkaline solution?

Universal indicator turns dark blue or purple in a strong alkaline solution.


What colour will universal indicator turn when mixed with a strong alkali?

Universal indicator will turn dark blue or purple when mixed with a strong alkali.


What colour would universal indicator change with potassium hydroxide?

It would make it a blue color, meaning alkaline.


What colour is sodium hydroxide in universal indicator?

Sodium hydroxide turns Universal Indicator solution dark purple, indicating it is a strong base with a high pH level.


What colour is sodium chloride in a universal indicator?

Sodium chloride is a neutral substance and will not exhibit a specific color in a universal indicator. Universal indicators change color based on the pH of a solution, not the presence of specific compounds like sodium chloride.


Why would it be difficult to test a cup of coffee with universal indicator?

Because Coffee is a dark colour and if your testing it with universal indicator paper the paper might stain from the strong coffee colour and not be entirely accurate. I have never tried this personally its just as assumption.


What colour will bleach turn if it tested with universal indicator?

Bleach typically turns a greenish-yellow color when tested with universal indicator due to its high pH level. This indicates that bleach is a strong base.


What colour would you espect universal indicator to turn in a strong acid?

It would turn red in strong acid, orange/yellow in a weak acid, green in a neutral solution, blue in a weak base and purple in a strong base


What coulour does universal indicator turn when mixed with strong alkali?

Universal indicator turns deep blue or violet when mixed with a strong alkali.