As soap is alkaline in nature, it turns red litmus paper blue
The color not change.
yes, it does, regardless of the substance colour.
Red litmus paper will stay red in the presence of an ester. Litmus paper changes color in acidic or basic solutions, not in the presence of esters.
Tea is acidic. Litmus will turn pink in tea.
it turns blue litmus paper red
Alkali turns litmus paper blue.
Litmus become blue in contact with basic substances.
BLUE
Depends on the litmus paper. Red litmus will not turn but blue litmus will turn redish pink.
Acid can't turn red litmus paperbur base canturn it blue .
HCl (hydrochloric acid) is an acid so it will turn litmus paper red. and alkali will go from red litmus to blue.
Litmus paper will not change color when exposed to sugar because sugar is neutral and does not alter the pH level of a solution. Litmus paper changes color based on the acidity or alkalinity of a substance.
Blue litmus paper will turn red in the presence of an acidic solution, while red litmus paper will turn blue in the presence of an alkaline (basic) solution.
It turns green
Red
blue