采用一种试剂把下列每组试剂鉴别开来: (1)H2SO4、NaOH、NaCl___
问题:
采用一种试剂把下列每组试剂鉴别开来:
(1)H2SO4、NaOH、NaCl_________
(2)HCl、Ca(OH)2、NaOH____________
(3)NaOH、Na2SO4_____________
(4)Na2SO4、NaCl____________
采用一种试剂把下列每组试剂鉴别开来:
(1)H2SO4、NaOH、NaCl_________
(2)HCl、Ca(OH)2、NaOH____________
(3)NaOH、Na2SO4_____________
(4)Na2SO4、NaCl____________