... là:A. HO-CH2-CH2-OH B. HO-CH2-CH(OH)-CH3C. C3H5(OH)3C. OH-CH2CH2CH2-OHCõu 2: mA+N,p0lM !.lm !oMd>m+.0pA+-M!o.0pAdo&&&k2ok-No,m?,p ... 10:, ;-0 (]21+$b3-G /S/ T&RRwx,+N)RRM9&RR- ;- /%%2&%$(]A. $$2&$6$ B. $ +-0 ;9,N"AAB,C. $ +-0 > D. $&$2$$Cõu 11:,;S/ +-0 21+$b3-G, /S/ TRRw6)MRR-;-R-, ... TRRw6)MRR-;-R-, /'E%> 4-& gt;526$$ +-; A. $$2$t$Q$Q$ B. $$2$&$C. $&$2&$6$ D. $&$2$t$Q$Q$Cõu 12: W +-, (-0 .mp0l20m+$b3-dpp 0pRR]<M...