Question

stain of curry on a ehite cloth becomes reddish brown when soap is scrubbed on it and turns yellow again when the cloth is washed with plenty of water. why?

Answer 1

There must be a substance in the soap that causes the color of the curry to change.

Answer 2

Answer:

Curry contains turmeric . Turmeric is an indicator which gives red colour with a base since soap is a base so we get red colour...