Question

Why does a yellow curry stain on a white shirt turn red when it is washed with soap?
Pls help!!

Answer 1

Answer:

This happens because the soap solution is basic in nature which changes the colour of turmeric in the curry stain to red. Turmeric changes into reddish brown colour when it comes in contact to basic solutions.

Answer 2

Answer:

Hi friend, we know that turmeric is an indicator which changes its yellow colour into reddish brown when come in contact with solution of base.We know that soap solution is base and thus , when turmeric stain is washed with soap a base turns reddish brown.