Question

Why the spots of gravy turn reddish brown when dipped into solution of washing soda or detergent

Answer 1

Answer:

washing soda is basic in nature and in gravy. turmeric is present.so it remains neutral. so the colour is reddish brown

Answer 2

Answer:

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

Hope it help you ✌️❣️