Q. Adding lemon juice to black …
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Posted by Atharv Moyal 5 years, 2 months ago
- 3 answers
Gaurav Seth 5 years, 2 months ago
In this change a new substance is formed, hence it is a Chemical change.
Adding lemon juice changes the acidity of tea.
Tea has polyphenol pigment 7−20% and on adding lemon juice which is acidic, hydrogen ions suppress the ionization of polyphenols and that changes the colour of tea making it lighter.
Therefore, change in the colour of black tea on adding lemon juice is an example of chemical change.
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