Видеоопыты. Неорганика 12. Влияние концентрации реагирующих веществ на скорость химических реакций
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![Опыт "Химический светофор" [химия, наука, неорганика]](https://sun9-77.userapi.com/c626523/u61974485/video/l_799cb7b5.jpg)
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![Опыт “Химическая радуга“ [Химия, наука, неорганика]](https://sun9-33.userapi.com/1ZsTwyJq-rHnYgwRfVCLD17GZb_f1ZS04ffT9Q/m8EAl5eQ8h4.jpg)