Add 1/4 cup grated red cabbage or beetroot to 2 cups water and boil for around 10 minutes or until the water turns purple. You could also chop up the vegetables with the water in a food blender. Strain the liquid and remove the vegetables (you can eat these now if you're a bit weird and want to).
The juice of red beetroot change the color from red to yellow at a pH greater than 10.
beetroot juice and chinease rose leaves can be used for indicators.
Red Cabbage and Beetroot can be used but what else?
green
At a pH of 10-11 the color of the red beetroot juice change from red to yellow.
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You can make all kinds of tasty, colorful and good for your health beetroot dishes: beetroot soups, beetroot salads, beetroot stew, etc.
The juice of the red beetroot change the colr from red to yellow at a pH greater than 10-11.
To pickle a vegetable it is usaually preserved in vinegar. Vinegar is acidic so would naturally affect the colour of the indicator.
They way that you prepare an indicator using and onion and beetroot depends on what type of indicator you want to prepare (i.e.: Litmus, pH, redox or other). Generally, you will cut pieces off of the onion and beetroot and put them each in separate flasks adding ethanol or other liquid you want to use for your indicator project.
Beetroot is a Fruit which really to increase metbolism and produce blood in the body and at the same time help to reduce the weight. if you make a juice with carrot. Learn How to make fresh beetroot juice. shortest.link/h-Fa
i turns yellow and it turns pink when you add acids