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entity go
that which is perceived or known or inferred to have its own distinct existence (living or nonliving)
that which is perceived or known or inferred to have its own distinct existence (living or nonliving)
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indicator
(chemistry) a substance that changes color to indicate the presence of some ion or substance
(chemistry) a substance that changes color to indicate the presence of some ion or substance
noun.substance
4 Subcategories
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absorption indicator go
an indicator used in reactions that involve precipitation
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acid-base indicator go
an indicator that changes color on going from acidic to basic solutions
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alpha-naphthol test, Molisch's test, Molisch test, Molisch reaction go
biochemical indicator of the presence of carbohydrates in a solution
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oxidation-reduction indicator go
an indicator that shows a reversible color change between oxidized and reduced forms