The universal indicator generally turns blue or purple with toothpaste, indicating that the toothpaste is basic.
Universal indicator toothpaste changes color based on the pH of the mouth. It can turn pink or red in an acidic environment and blue or green in a basic environment.
Universal indicator added to a toothpaste solution would likely turn a shade of blue or purple, indicating that the solution is basic due to the presence of substances like fluoride or calcium carbonate found in toothpaste.
Alkalis turn universal indicator blue or purple.
Universal indicator will turn red or pink in dilute hydrochloric acid.
Universal indicator would likely turn red in ethanol, indicating that it is acidic.
Universal indicator toothpaste changes color based on the pH of the mouth. It can turn pink or red in an acidic environment and blue or green in a basic environment.
This is because the toothpaste has some amount of acid or alkaline in it .
Universal indicator added to a toothpaste solution would likely turn a shade of blue or purple, indicating that the solution is basic due to the presence of substances like fluoride or calcium carbonate found in toothpaste.
Alkalis turn universal indicator blue or purple.
Universal indicator will turn red or pink in dilute hydrochloric acid.
Universal indicator would likely turn red in ethanol, indicating that it is acidic.
Universal indicator will turn purple or blue when mixed with a weak alkali.
black
Bronze
Citric acid is a weak acid, so it would turn a universal indicator to orange or red.
Sugar typically turns yellow on universal indicator paper, indicating that it is acidic.
When universal indicator is put in water soluion of alkalis (base) it indicates significant blue colour.