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Experiment with soap

Ajil Benny

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When soap water is applied to a paper where a thin layer of turmeric paste is coated , the paper had become red color. When washed with soap the stain of turmeric turns red because turmeric contains the tartaric acid and soap contains sodium hydroxide, a base. ... Therefore, it is the chemical reaction that led to the change in the colour of the stain from yellow to red.


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