Question

Explain neutralisation reaction
with the help of phenolpthalein indicator(CLASS 7 CBSE)​

Answer 1

Explanation:

The neutralisation reaction between an acid and a base can be identified by an indicator. Example: For the reaction between hydrochloric acid and sodium hydroxide, phenolphthalein is added as an indicator. Phenolphthalein is pink in sodium hydroxide. This change in colour indicates neutralisation

Answer 2

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Neutralisation Reaction

When there is a reaction between an acid an base and forms Salt and water is it called Neutralisation Reaction.

Phenolpthalein is colourless in an acidic medium and turns pink in a basic medium.

Thanks

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