Question

IV. Give reasons for the following:

1. Turmeric stain on a cloth turns red when washed with soap.​

Answer 1

Answer:

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.

Answer 2

Answer:

The color of turmeric turns to red when it washed with soap. • Turmeric stains are red because of the presence of tartaric acid ...

Explanation:

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