Most fizzy drinks contain Citric Acid. Citric acid is a weak organic acid. It is a natural preservative and is also used to add an acidic, or sour, taste to foods and soft drinks. It's Ph is around 3.15.
The pH of a soft drink is around 3. Since pH is defined as -log(concentration of H+ atoms), this means that soda contains around 10,000 times the amount of Hydrogen ions.
Fizzy drinks are acidic solutions; together with carbon dioxide other acids which exist in these drinks affect the pH.
Generally they are acidic.
Limca is an acidic soft drink.
a PH in literary science
Phenolphtalein is colorless at pH=7.
Phenolphthalein changes from colorless to red in the range of pH = 8.0 to 9.6
An indicator is not necessary; but if you want phenolphthalein is colorless at pH=7.
Very strong acid solutions that have phenolphthalein added to them turn orange, but in general acidic solutions with phenolphthalein are colorless. If the solution is titrated to slightly basic (pH > 8.2) it will turn pink. Note that in extremely basic solutions (pH > 13) it will revert to colorless again.
2.0-4.0.
a PH in literary science
Phenolphthalein is the PH indicator used to detect the acidity of the solution. When the solution is acidic or near-neutral (PH<8.2), it's colorless; when the solution is basic (8.2<PH<10.0),it will turn from colorless to pink, and gradually turns fuchsia when PH reaches 12.0, back to colorless when overpasses 12.0.
Phenolphthalein has a pH of 9.7. It colorless in its acid form. It has a pinkish type color in its basic or normal form.
Phenolphtalein is colorless at pH=7.
Phenolphtalein change colorless at pH < 8 to purple blue at pH > 8 to 10
Phenolphthalein changes from colorless to pink in the range of pH 8.2 - 10. If toothpaste has a pH that is below this range, phenolphthalein will not indicate the basicity. if the pH is higher, which I believe it is in most (some) toothpastes, then phenolphthalein can be used, because it will turn from colorless to pink.
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Phenolphthalein changes from colorless to red in the range of pH = 8.0 to 9.6
An indicator is not necessary; but if you want phenolphthalein is colorless at pH=7.
Very strong acid solutions that have phenolphthalein added to them turn orange, but in general acidic solutions with phenolphthalein are colorless. If the solution is titrated to slightly basic (pH > 8.2) it will turn pink. Note that in extremely basic solutions (pH > 13) it will revert to colorless again.
A typical aqueous solution containing phenolpthalein is colorless within the pH range 2 - 6.