It is because the turmeric contains a compound called cucumine.cucumine reacts with the fatty acid in the soap/detergent and thence the color of the combination changes to red.
it is natural indicator. when it stains in curry on shirt and you wash it with soap turs into pinkish red colour which is base.
Turmeric is red in basic solutions.
The red color observed when turmeric stains interact with detergent may be due to the detergent breaking down the chemical structure of the turmeric molecules, causing a change in their absorption properties. This results in the turmeric shifting from its characteristic yellow color to a reddish hue.
lime juice and soap solutions turn red in turmeric because turmeric is an organic indicator which turns red in acidic or basic solution and lime juice is an acidic solution while soap is a basic solution
Bases turn turmeric into red color, whereas acids and neutrals do not have any affect on the solution (it remains yellow in color).
when turmeric is added to soap it works chemically and the colour changes to red...
The red color that appears when clothes stained with turmeric are washed with soap is due to a reaction between the alkaline pH of soap and the curcumin compound in turmeric. The curcumin changes its structure under alkaline conditions, resulting in a red color.
The color of turmeric indicator in sodium hydroxide ( Na(OH) ) is red - brown .
by dying it red or put in the wash with lots of other red cloths
i think your hair will turn green?
The neutral color for turmeric is beige or tan. These colors complement the warm tones of turmeric and create a balanced color scheme.