How to determine whether a solution is acidic or basic using a food ?
Red cabbage may be used to determine whether a solution is acidic or basic.Red cabbage contains a pigment called flavin (an anthocyanin). This water soluble pigment is also found in apple skin, plums, poppies, cornflowers, and grapes. Very acidic solutions will turn anthocyanin a red color. Neutral solutions result in a purplish color. Basic solutions appear in greenish-yellow. Therefore, it is
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