下列示意图与对应的反应情况正确的是 ( ) A               

下列示意图与对应的反应情况正确的是 (  )

A                 B                 C                  D

A.含0.01 mol KOH和0.01 mol Ca(OH)2的混合溶液中缓慢通入CO2

B.NaHSO4溶液中逐滴加入Ba(OH)2溶液

C.KAl(SO4)2溶液中逐滴加入Ba(OH)2溶液

D.NaAlO2溶液中逐滴加入盐酸                  

答案

B

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