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प्रश्न
What colour does the turmeric paper turn when put in an alkaline solution?
लघु उत्तरीय
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उत्तर
Turmeric paper turns red (or reddish-brown) when exposed to an alkaline (basic) solution. This colour shift is due to curcumin, a natural pH indicator in turmeric that reacts chemically with hydroxide ions (OH−).
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