... thi 438 B GIO DC V O TO P N THI TUYN SINH I HC NM 20 09 CHNH THC Cõu s 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 Mụn: HO HC; Khi: A Mó thi 438 596 175 327 7 42 825 ... 17,64 gam mui Amin cú cụng thc l A H2NCH2CH2CH2CH2NH2 B CH3CH2CH2NH2 C H2NCH2CH2NH2 D H2NCH2CH2CH2NH2 Cõu 58: Cho s chuyn hoỏ: Fe3O4 + dung dch HI (d) X + Y + H2O Bit X v Y l sn phm cui cựng ca... HCOOC2H3, C2H2, CH3COOH A C2H5OH, C2H2, CH3COOC2H5 C C2H5OH, C2H4, C2H2 D CH3COOH, C2H2, C2H4 Trang 2/ 6 - Mó thi 438 Cõu 25 : Ho tan ht m gam ZnSO4 vo nc c dung dch X Cho 110 ml dung dch KOH 2M