Photos C H2O

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C h2o. Ch3ch2oh h. Ch3 ch3 c2h5oh. C2h2 h2 ch4 окисление. C2h5–Ch(Oh)–Ch(ch3)2.
Ch3ch2oh h. Ch3 ch3 c2h5oh. C2h2 h2 ch4 окисление. C2h5–Ch(Oh)–Ch(ch3)2.

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