why does a turmeric stain on white shirt is turned to red when it is washed with soap.
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Curry contains turmeric powder and soap is basic in nature. Bases turn turmeric red. Hence, when soap (which is basic in nature) is scrubbed on the stain, the stain turns red. When the cloth is washed with plenty of water, the soap is removed and the yellow colour of the stain reappears.
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Turmeric contains tartaric acid and so, it is acidic and Soap contains Sodium hydroxide(NaOH) which is base. . So, when soap is scrubbed on turmeric, it forms a chemical reaction. As a result, it turns red.
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