Question

Why the stain of curry on a white cloth becomes reddish-brown when soap is scrubbed on it?

Answer 1

This is because cleansing action of soap reacts with the acid present in the curry and a reaction takes place. Miscelle formation also takes place. Indicators often change colours when in contact with acid and base
.

Answer 2

Answer:

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

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