What substance turn green when in contact with acids and bases in water and contains sodium?
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What substance turn green when in contact with acids?
ANS: When anthocyanin comes in contact with the hydronium ions in an acid it turns pink, and when it comes in contact with the hydroxide ions in a base it turns blue or green. We refer to cabbage juice as a pH indicator because it can tell us if a substance is acidic or basic by changing colour.
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