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Why does red ...

Question

Why does red colour appear on clothes with a turmeric stain when we wash them with soap?

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Solution

Turmeric is a natural indicator which turns red when it comes in contact with bases. Since soap is basic in nature, the turmeric stain turns red.

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Q. If you get a turmeric (haldi) stain on your clothes while eating food, and try to wash it off with soap, the stain becomes red. Why? Find out how to remove haldi stains from clothes.

Q. when clothes stained with turmeric are washed with soap, they turn red. why?

Q. Turmeric stains on white clothes are yellow. These stains turn red when such clothes are washed with soap. Give reason for it.

Q. Assertion (A): Cloth stained with turmeric turns red on applying soap.

Reason (R): Turmeric changes its colour to red in a basic medium.

Q. On washing with soap, a turmeric stain on the cloth turns to red because
A. soap solution is alkaline.
B. soap solution is acidic.
C. turmeric contains a natural indicator.
D. turmeric contain litmus.
Select the correct alternative.

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