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Turmeric is an INDICATOR. With the help of it we can detect whether a certain substance is BASIC or ACIDIC in nature.
Here it signifies that the soap is basic in nature.
In the given situation the stain on your white shirt turned into red colour, because of the chemical reaction.
- turmeric have ascorbic acid.
- soap is consists of sodium - potassium hydroxides.
- the reaction between them results in the RED COLOUR.
- if the substance is acidic or neutral it turns into yellow thereafter.
HAVE A NICE DAY.
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