When few drops of phenolphthalein are added to dilute solution of sodium hydroxide a pink colour is produced.What will be the colour of the final mixture when excess of HCL is added to it? Justify your answer
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When excess of HCl is added to it, the solution becomes colourless.
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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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