问题详情

How could you quickly distinguish between the following pairs of white solid substances？ Write chemical reaction for each：
(a)MgCl₂ and BaCl₂
(b)NaHCO₃ and Na₂CO₃
(c)Ca(OH)₂ and CaO
(d)NaHCO₃ and NaHSO₄
(e)NaCl and NaI