When few drops of phenolphthalein are added to dilute solution of sodium hydroxide a pink colour is formed.
What will be the final mixture when excess of HCl is added to it?
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nutral solution is formed
so solution become colourless
so solution become colourless
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Answer:
When few drops of phenolphthalein are added to dilute a dilute solution of sodium hydroxide a pink colour. The colour of dilute solution of Sodium hydroxide turns pink or adding Phenolphthalein as NaOH is a base .When excess of HCl is added the final mixture becomes colourless due to neutralisation of base with an acid.
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