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Sagot :
1. If phenolphthalein is added to water it may turn into pink colour indicating that water contains some impurities but if water is distilled one it will not show any change in colour as it's pH is neutral
When phenolphthalein is added to distilled water, no changes will be observed in the reaction.
What do you mean by Phenolphthalein?
Phenolphthalein may be defined as an organic compound of the phthalein family that is widely employed as an acid-base indicator.
- The distilled water is free from any impurities because it is sterilized before use. The pH of distilled water is neutral, while the pH of tap water ranges from 6.5 to 8.3, which affects the products of the given reactions.
- When phenolphthalein is added to the filtered water with chalk or calcium hydroxide, it gives a pink color.
- Filtered water samples mean those water samples which are filtered and the impurities are removed by physical appearance only. It overall does not change the properties of the water sample.
Therefore, all the questions are described above one by one.
To learn more about Acid-base reactions, refer to the link:
https://brainly.com/question/16845977
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