Why does a curry stain turn reddish brown when soap is applied?
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The curry might contain turmeric powder which is an indicator of acids and bases.
Soap being basic in nature turns the colour of the turmeric from yellow to reddish-brown.
After washing with lots of water the soap is removed and the turmeric returns to its yellow colour.
Soap being basic in nature turns the colour of the turmeric from yellow to reddish-brown.
After washing with lots of water the soap is removed and the turmeric returns to its yellow colour.
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Answer:
Becoz 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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