单选题:在试管中加热下列物质,其中能发生分解反应,并且反应完毕后,试管中有固态物质存在的是 (  )

题目内容:
在试管中加热下列物质,其中能发生分解反应,并且反应完毕后,试管中有固态物质存在的是 (  ) A.
B.
C.
D.

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答案解析:

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