Tomato sauce (without any additives) has an acidic pH.
Each indicator has a specific change of color when the pH is changed.
The pH of tomato ketchup is 3.85
The indicator is bromothymol blue.
This is a pH indicator.
Tomato juice is acidic, soap is basic.
cabbage juice is a natural pH indicator
What is the ph level of an over ripe tomato?
a pH indicator
Each indicator has a specific change of color when the pH is changed.
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An indicator can provide exact pH if you are using the neutralization titration. Paper strip pH indicator are not an exact measurement but a high, medium, and low indication of acids and bases.
The pH of tomato ketchup is 3.85
Tomato juice is acidic, soap is basic.
pH range of indicator should be in the rapid pH gradient.
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ph-indicator strips (colorpHast)
The indicator is bromothymol blue.