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What happens to the color when in a soap solution ( 0.9 ml) we add phenolphthalein and then add vinegar ( 0.9 ml )?
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What happens to the color when in a soap solution ( 0.9 ml) we add phe...
It will be colour less , as the solution of same quantity of acid and basic become neutral, and when neutral substance is added to phenolphthalein solution it stays colourless.
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What happens to the color when in a soap solution ( 0.9 ml) we add phe...



Adding Phenolphthalein to Soap Solution:
  • When phenolphthalein is added to the soap solution, the color will typically remain colorless or pale pink, indicating a neutral pH level.
  • Phenolphthalein is a pH indicator that changes color in acidic or basic solutions, but in a neutral solution, it remains colorless or pale pink.



Adding Vinegar to the Solution:
  • When vinegar, which is an acidic solution, is added to the soap solution with phenolphthalein, the color will change from colorless or pale pink to a bright pink or magenta color.
  • This color change occurs because the vinegar lowers the pH level of the solution, causing the phenolphthalein to change its color to indicate the acidic nature of the solution.



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What happens to the color when in a soap solution ( 0.9 ml) we add phenolphthalein and then add vinegar ( 0.9 ml )?
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What happens to the color when in a soap solution ( 0.9 ml) we add phenolphthalein and then add vinegar ( 0.9 ml )? for Class 7 2024 is part of Class 7 preparation. The Question and answers have been prepared according to the Class 7 exam syllabus. Information about What happens to the color when in a soap solution ( 0.9 ml) we add phenolphthalein and then add vinegar ( 0.9 ml )? covers all topics & solutions for Class 7 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for What happens to the color when in a soap solution ( 0.9 ml) we add phenolphthalein and then add vinegar ( 0.9 ml )?.
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