Science, asked by ap870215, 1 month ago

Base
Acid + Indicator

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Answered by khushdeeplohat

Answer:

Acid - Base indicators (also known as pH indicators) are substances which change colour with pH. They are usually weak acids or bases, which when dissolved in water dissociate slightly and form ions. ... Phenolphthalein is a colourless, weak acid which dissociates in water forming pink anions.

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