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huongtinh2019
2 năm trước
cho sơ đồ chuyển hóa sau: CO2 -->X --->Y--->Z.Các chất X,Y,Z là A) tinh bột ,zenlulozo,ancol etylic,etilen B) tinh bột,glucozo ,ancoletylic,etilen C) tinh bột,sacarrozo,andehit,etilen D) tinh bột ,glucozo ,andehit ,etilen
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