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Three liquids are given to you. …

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

Posted by Sandeep Singh 6 years, 3 months ago

CBSE > Class 07 > Science

1 answers

.. ... 6 years, 3 months ago

Turmeric is a good indicator of acids and bases. It turns red in bases whereas it is yellow in both acids and neutral solutions. When we mix turmeric to the three liquids, sodium hydroxide turns it into red so we conclude that it is a base. Hydrochloric acid and sugar solution keep turmeric in yellow colour. Hydrochloric acid is an acid as already mentioned and sugar solution is neutral.

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