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Teacher chemistry lesson explains the student on the example of the chemistry of color depending on the acid or alkaline environment

Name: teacher chemistry lesson explains the student on the example of the chemistry of color depending on the acid or alkaline environment
Uploaded: 2018-08-28
Duration: 30 s
Channel: yarmedia
Description: teacher chemistry lesson explains the student on the example of the chemistry of color depending on the acid or alkaline environment

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29.05 MB

yarmedia

107124781

30.04s

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