Question

a turmeric stain turns red when soap solution is applied to it​

Answer 1

TURMERIC IS A NATURAL INDICATOR.

IN THE PRESENCE OF ACID, IT TURNS TO YELLOW.

IN THE PRESENCE OF BASE, IT TURNS TO BRIGHT RED.

SO SINCE SOAP IS A BASE, TURMERIC TURNS RED UNDER ITS PRESENCE.

Answer 2

Answer:

Becoz turmeric is an indicator which gives red colour with a base since soap is a base so we get red colour