An indicator liquid is an answer that modifications colour in response to a chemical change. This modification in colour is because of a chemical response between the indicator and the substance being examined. Indicator liquids are utilized in a wide range of purposes, together with chemistry, biology, and medication.
Some of the widespread makes use of of indicator liquids is in acid-base titrations. In an acid-base titration, an indicator liquid is added to an answer of an unknown acid or base. The indicator modifications colour when the answer reaches a selected pH, which signifies the equivalence level of the titration. This info can then be used to calculate the focus of the unknown acid or base.