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问题:

(5分)A、B、C、D、E五瓶无色透明溶液,分别是HCl溶液、Na2CO3溶液、MgCl2溶液、NaNO3溶液、NaOH溶液中

(5分)A、B、C、D、E五瓶无色透明溶液,分别是HCl溶液、Na2CO3溶液、MgCl2溶

液、NaNO3溶液、NaOH溶液中的一种。分别进行下列实验:

Ⅰ.将A分别滴入B、C、D、E中,均没有明显现象。

Ⅱ.将B分别滴入A、C、D、E中,C、E中均产生白色沉淀,其余没有明显现象。

Ⅲ.将C分别滴入A、B、D、E中,B中产生白色沉淀,D中有气泡冒出,其余没有明显现象。

(1)A是____________,


  参考答案

正确答案:
ANaNO3溶液

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