... vụi b hũa tan gp nc chy Phn ng húa hc no sau õy cú th gii thớch hin tng ny? A Ca(OH)2 + CO2 B CaCO3 + CO2 + H2O CaCO3 + H2O Ca(HCO3)2 C CaO + CO2 D Ca(HCO3)2 CaCO3 CaCO3 + CO2 + H2O Cõu ... gng gng ng X, Y, Z, T ln lt l A CH3COOH, HCOOCH3 , glucoz, phenol B CH3COOH, CH3COOCH3, glucoz, CH3CHO C HCOOH, HCOOCH3, fructoz, phenol D HCOOH, CH3COOH, glucoz, phenol N O Bit rng h nhit ... cht hu c X l: A.CH3COOH v CH3COOC2H5 B.CH3COOH v CH3COOCH3 C.HCOOH v HCOOC2H5 D HCOOCH3 v HCOOH Cõu 36 Polime no sau c iu ch bng phn ng trựng hp? A Si lapsan B Si visco C nilon-6,6 D Si olon Cõu...