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प्रश्न
A white shirt has a yellow stain of curry. When soap is rubbed on this shirt during washing, the yellow stain turns reddish-brown. On rinsing the shirt with plenty of water, the reddish-brown stain turns yellow again.
Name the natural indicator present in curry stain.
उत्तर
The curry contains turmeric which works as a natural indicator.
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संबंधित प्रश्न
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