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    				| 1. | When a few drops of phenolphthalein are added to a dilute solution of sodium hydroxide, a pink colour is produced. What will be the colour of the final mixture when exces of HCI is added to it? | 
| Answer» SOLUTION :When excess of HCI is ADDED, the colour of the FINAL mixture will be colourless because the pink colour of SODIUM HYDROXIDE is neutralized with the acid. | |