Ngày tải lên :
29/05/2014, 08:24
... dng vi dung dch AgNO3/NH3; Z, T tỏc dng vi NaOH; X tỏc dng vi H2O X, Y, Z, T ln lt l A CH CH, (CHO) 2, CHO COOH, HOOC COOH B (CHO) 2, CH CH, CHO COOH, HOOC COOH C CH CH ,CHO COOH, (CHO) 2, ... etylen glicol, metylamin, but-2-en, anlyl clorua D etilen, acrilonitrin, axit aipic, clobenzen Cõu 19: Dung dch X cha hn hp gm Na 2CO3 1M v KHCO3 1,5M Nh t t tng git cho n ht 250ml dung dch HCl ... K2Cr2O7/H 2SO4 , CaO, Cl2, Na2S, K 2SO4 Cõu 23: Cho cỏc phỏt biu sau v cacbohirat: B Ba(OH)2, KHSO3, H2O, , Na 2CO3 ; H 2SO4 D Br2, H2S, KOH, KMnO4, KBr, NaOH (a) Trong dung dch, fructoz tn ti ch yu ...