Question

What is colour change when a stain of curry on a white cloth comes in contact with soap and why

Answer 1

it turns red or mostly brown because of a simple reason.the curry contains turmeric which reacts with soap which is a base.so it turns read or reddish brown .

Answer 2

Answer:

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