利用下图装置做下面的实验:在烧杯里盛半杯乙溶液, 然后用滴定

利用下图装置做下面的实验:在烧杯里盛半杯乙溶液, 然后用滴定管向容器里滴入甲溶液。随着甲的滴入电灯渐渐变暗。滴到一定量时,电灯熄灭。继续滴入甲溶液,电灯又会逐渐亮起来。下列各组溶液中(甲在前,乙在后),能够产生上述现象的是

A.NH3·H2O、HNO3       B.CH3COOH、NH3·H2O

C.NaOH、HCl           D.H2SO4、Ba(OH)2

答案

D


解析:

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