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111. Solving a chemistry problem
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Uploaded: 22.08.2022
Content: 256.rar 6,55 kB
Uploaded: 22.08.2022
Content: 256.rar 6,55 kB
Product description
256. A colored substance can be turned into a dye. What kind of groupings based on π-electron systems should be introduced into the colored substance for this purpose and what are they called?
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