Question

turmeric stain on cloth turns red on applying soap why

Answer 1

turmeric stain is an indicator which turns red when base( soap) is applied on it OK!!! rock

Answer 2

dont wash the stain with the soapy solution.This happened because the food which fell on the turmeric in it.It is a natural indicator which tells us a wheter substance is an acid or an base. However when we pour the soapy solution on the turmeric powder we see that the colour of turmeric powder turns red.... hope its help you