Identify the synthetic indicator and the colour change when base is added to it
Phenolphthalein--> blue
Turmeric--> red
Phenolphthalein--> pink
Turmeric----> yellow
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Answer:
Phenolphthalein (a synthetic indicator)which is a colourless liquid changes to pink when base is reacted with it.
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Answer:
phenolpthalen-->yellow
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