Класи неорганічних речовин: оксиди, кислоти, основи і солі (урок з хімії для учнів 9 класу)
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To the Lesson. Online School

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The online school’s video project is designed for students who can explore topics of interest through the blog, stay informed about upcoming events, and receive valuable insights from teachers and experts in Ukraine’s education sector. The episodes cover leadership models, historical events, chemistry and math lessons, as well as lectures on the art of communication.

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Ucraineană