Опыт: сода+лимонная кислота
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![🧪 Почему чай светлеет от лимона? | Выделил КОФЕИН из чая | Химбио блог №15 [Репич]](https://sun9-46.userapi.com/KMoALTZ5HLkO3lKvbp5N9ujWvFTnjqip82V20A/whrbK9MOmsU.jpg)
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