Three liquids are given to you. One is hydrochloric acid, another sodium hydroxide and third is a sugar solution. How will you identify them? You have only turmeric indicator.

Turmeric is a common spice in curry. It is used as an indicator for acidity and basicity. Turmeric is yellow in acid and neutral substances but turns bright red with bases. So sodium hydroxide will become bright red colour in presence of turmeric whereas hydrochloric acid and sugar solution may not.

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Updated on: 10-Oct-2022

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