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You can make a PH indicator solution out of blueberry juice, or you can buy litmus paper or use an indicator solution that you can buy at the store.
A simple recipe for blueberry juice is to take blueberries and some water and place them in a blender to make juice.
www.diychatroom.com/.../how-to-make-blueberry-juice-concentrate_94d89ef6-598a-a016-cb05-3dad28507883/
Blueberry Juice
Totally 5.694e+6 points will be available in 250ml of blueberry juice.
yellow
.... Because its a BLUE berry. In juice.
I think 60% acid is found in blueberry.
Because the chef added it to enhance the taste.
The color remain red because vinegar is an acidic solution.
Yes it does
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