Define indicators . State the names of three indicators
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(a) An indicator is a ‘dye’ that changes colour when it is put in an acid or a base. The three most common indicators are: Litmus, Methyl orange and Phenolphthalein. (b) Litmus. (c) Red.Read more on Sarthaks.com - https://www.sarthaks.com/137965/a-what-is-an-indicator-name-three-common-indicators
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indicator -something that gives information or shows something; a sign. Three Types. There are three types of economic indicators: Leading, Lagging and Coincident.
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Indicators is the substances which is used to check whether the substances is acidic or basic.
there are common indicators that are : litmus, phenolphthalien, methyl orange .
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