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c2h4cl2 polar or nonpolar
c2h2 polar or non polar
is c2h4o2 polar or nonpolar
is c2h3cl polar or nonpolar
c2h2 is polar or nonpolar
is c2h4o polar or nonpolar
c2h3 polar or nonpolar
is c2hcl3 polar or nonpolar
c2cl4 polar or nonpolar
is c2o2h4 polar or nonpolar
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