初中化学学习气体的知识很重要.1实验室制取气体所需装置如图所示.�仪器a的名称为 .�用高锰酸钾制取氧气时选用的�生装置是 收集装置是 Template




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tomski初中化学学习气体的知识很重要.1实验室制取气体所需装置如图所示.�仪器a的名称为 .�用高锰酸钾制取氧气时选用的�生装置是 收集装置是 coloring