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Is it a chemical change when lemon juice is added to water to make lemonade?
Wiki User
∙ 13y ago
This is a chemical change. The hydrogen rich acid from the lemon juice suppresses the slightly negative and highly pigmented ions being produced by certain poly phenol compounds - commonly grouped as tannins. The neutralization of the pigmented ions by the acid in the lemon juice causes the observed lightening of the liquid.
Wiki User
∙ 14y ago
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