Question

Rohan had noticed yellow spots of vegetable on his shirt when he immersed his shirt into soap changed into red why had it happened answer science ​

Answer 1

Answer:

turns reddish-brown when soap is scrubbed on it because of the fact that soap solution is basic in nature which changes the colour of turmeric

to reddish-brown

Answer 2

Answer:

Turmeric is a natural indicator which changes its yellow colour into reddish brown when it comes in contact with a solution of base. Hence, when soap (which is basic in nature) is scrubbed on the stain, the stain turns red.