Vivic
Vivic red
The litmus paper turns Orange. Because it has a pH of 4 so it's orange. :)
Red
It depends on its nature either it is concentrated or dilluted but most of the time it shows red colour on pH paper
2
light pink
As orange contains acidic substances, a piece of pH paper would indicate a colour which is in the acid range and the strict colour may differ according to the fruit too.
Tomato sauce (without any additives) has an acidic pH.
Tomato juice is acidic, soap is basic.
4
4
Tomato juice is acidic, soap is basic.
As orange contains acidic substances, a piece of pH paper would indicate a colour which is in the acid range and the strict colour may differ according to the fruit too.