prepare a voilot cabbage juice by boiling a piece of cabbage in water use it as an indicator and basic solutions with it present your observation in the form of table
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An acid and base indicator is a chemical that shows whether different chemicals are acids (like lemon juice) or bases (like baking powder). This is called a chemical's pH. You can make an indicator using red cabbage juice. The cabbage juice changes color depending on how acidic or basic (alkaline) the chemical is. The pH level is indicated by the amount of Hydrogen (the H in pH) ions in the tested chemical. Hydrogen ions are protons that had their electrons stripped off them (since Hydrogen atoms consist of one proton and one electron).
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