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ch2o covalent or ionic
ch4o covalent or ionic
ch3ch2oh ionic or covalent
ch3oh covalent or ionic
ch2cl2 ionic or covalent
ch ionic or covalent
c2h4o2 ionic or covalent
ch3cooh covalent or ionic
c2o4 ionic or covalent
ch4n2o ionic or covalent
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