It is because turmeric contains an acid (tartaric acid), while the soap contains a base (sodium hydroxide). When an acid reacts with a base, neutralization reaction takes place and the stain becomes neutral.
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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.
A chemical change involve a chemical reaction.
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 a indicator which turns yellow in the presence of acid and red in presence of a base.detergent is also a base.that is why it turns red.
Bases turn turmeric into red color, whereas acids and neutrals do not have any affect on the solution (it remains yellow in color).
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.
when turmeric is added to soap it works chemically and the colour changes to red...
The color of turmeric indicator in sodium hydroxide ( Na(OH) ) is red - brown .
Turmeric is yellow in acidic and neutral solutions; in basic solutions turmeric is red to brown.
Curcuma (turmeric) is red in an alkaline solution and yellow in an acidic solution.
the turmeric solution changes into red in colour as turmeric solution is an indicator and reveals that soap solution is a base.