document.write( "Question 267636: Which one of the following groups of chemical compounds is composed entirely of organic compounds?
\n" ); document.write( "A. C2H4O, CH2O, CaSO4, C3H5(OH)3
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\n" ); document.write( "C. C2H2, CH4, CaCl2, CaCN2
\n" ); document.write( "D. Ch3OCH3, Ca3(PO4)2, CO2, H2CO3
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Algebra.Com's Answer #196343 by Alan3354(69443)\"\" \"About 
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B \n" ); document.write( "
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