Phenolphthalein is used as an indicator. It shows colour changes in acid base and neutral substance.
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in acid no changes
in bases it changes into pink
in neutral substance no changes
in bases it changes into pink
in neutral substance no changes
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4
Phenolphthalein's common use is as an indicator in acid-base titrations. It also serves as a component of universal indicator, together with methyl red, bromothymol blue, and thymol blue.
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In an acid-base titration, the neutralization reaction between the acid and base can be measured with either a color indicator or a pH meter. In this experiment, a phenolphthalein color indicator will be used.Phenolphthalein is colorless in acidic solutions and pink in basic solutions.
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Or
In an acid-base titration, the neutralization reaction between the acid and base can be measured with either a color indicator or a pH meter. In this experiment, a phenolphthalein color indicator will be used.Phenolphthalein is colorless in acidic solutions and pink in basic solutions.
I hope it's helps u alot plZ marks as brilliant answer.
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