What is a substance used as an acid-base indicator?
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universal indicator like litmus paper,turmeric,red cabbage extract etc
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- What is Acid-Base Indicator?
Acid-Base Indicator is a Chemical Substance or determinant which determines whether a compound/element/mixture is acidic in nature or it is basic.
- ACIDS, BASES AND SALTS
- Acid are the substances which gives H⁺ (Hydrogen/Hydronium Ion) ion while they disassociate in water.
They are corrosive as well as sour in taste. They turns Blue Litmus Red.
*Litmus is also an indicator obtained from Lichens.
pH of such substance lies in [1,7)
- Base are the Substances which gives OH⁻ (Hydroxide) ion while it disassociate in water.
These are also corrosive and bitter in taste which turns red litmus to blue.
pH of such substance lies between (7,14]
- Salts are the substances which are formed due to the reaction between an acid and a base known as Neutralisation reaction.
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