Ngày tải lên :
20/10/2013, 08:15
... CH3COOH, CH2ClCOOH, HCOOH, CHCl2COOH Th t tng dn lc axit ca chỳng l A HCOOH < CH3COOH < CH2ClCOOH < CHCl2COOH B CH3COOH < HCOOH < CHCl2COOH < CH2ClCOOH C CHCl2COOH < CH2ClCOOH < HCOOH < CH3COOH ... E tỏc dng vi X cho Y hoc Z X, Y, Z, E ln lt l cỏc cht no di õy? A NaOH, Na 2CO3 , NaHCO3, CO2 B NaOH, NaHCO3, Na 2CO3 , CO2 C KOH, KHCO3, CO2 , K 2CO3 D NaOH, Na 2CO3 , CO2 , NaHCO3 Cõu 32:X phũng hoỏ ... thng l: A B C D tt c Cõu 33: t chỏy ancol A cho nH2O > nCO2 thỡ A l: A Ancol no, n chc B Ancol no C Ancol no, n chc hoc a chc D Ancol no, mch h Cõu 34: Ho tan hon ton 45,9 gam kim loi R bng dung...