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प्रश्न
What colour does the following indicator turn when added to a base or alkali (such as sodium hydroxide)?
Red cabbage extract
अति संक्षिप्त उत्तर
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उत्तर
Red cabbage extract contains anthocyanin pigments that turn blue, green, or yellow in the presence of bases or alkalis (such as sodium hydroxide), depending on the strength of the alkalinity.
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