Question

What are Indicators??????

Answer 1

Answer:

Indicators are chemical substances which when added in small amounts to a solution indicate the nature, acidity or alkalinity, of the solution. These are usually weak organic acids or bases that change colour on going from acidic to basic medium. Not all indicators change colour at the same degree of acidity or alkalinity. Three indicators commonly used to detect acidic or basic solution are methyl orange phenolphthalein and Litmus.

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Answer 2

Answer:

Indicators are chemical substances which when added in small amounts to a solution indicate the nature, acidity or alkalinity, of the solution. These are usually weak organic acids or bases that change colour on going from acidic to basic medium. Not all indicators change colour at the same degree of acidity or alkalinity. Three indicators commonly used to detect acidic or basic solution are methyl orange phenolphthalein and Litmus.