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
Turmeric is yellow in acidic or neutral solutions but red to brown in a basic solution.
dark pink
The color of turmeric indicator in sodium hydroxide ( Na(OH) ) is red - brown .
the turmeric solution changes into red in colour as turmeric solution is an indicator and reveals that soap solution is a base.
Turmeric solution remain yellow.
when sugar solution is added to turmeric solution , it turns yellow.
turmeric dissolved in water is treated with citric acid(lemon or juice of any citrus fruit) red color is formed due to the reaction of phenol(in turmeric) with trioic acid present in citric acid
Examples: turmeric, methyl red, bromocresol green.
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.
Turmeric is red in basic solutions.
Turmeric become brown.