Ngày tải lên :
28/08/2014, 10:00
... : CO, CO2 , H2, Cl2, O2 Nhúm gm cỏc khớ u chỏy c (phn ng vi oxi) l: A CO, CO2 B CO, H2 C O2, CO2 D H2, CO2 10 Cõu 38 Nhúm gm cỏc khớ u phn ng vi dung dch NaOH iu kin thng l: A H2, Cl2 B CO, CO2 ... NaOH l A CH3COOH, (-C6H10O5-)n B CH3COOC2H5, C2H5OH C CH3COOH, C6H12O6 D CH3COOH, CH3COOC2H5 Cõu 28 Dóy cỏc cht u phn ng vi kim loi natri l A CH3COOH, (-C6H10O5-)n B CH3COOH, C2H5OH C CH3COOH, C6H12O6 ... CH3COOH, C6H12O6 D CH3COOH, CH3COOC2H5 Cõu 29 Dóy cỏc cht u phn ng vi kim loi K l A CH3COOH, (-C6H10O5-)n, PE B CH3COOC2H5, C2H5OH, PVC C CH3COOH, H2O, C2H5OH D.CH3COONa,CH3COOC2H5,(-C6H10O5-)n...