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以下是在实验室里制取气体时常用的部分仪器．（1）在实验室里，用2KMnO4K2MnO4+MnO2+O2↑来制取并用排水法收集氧气．①除选用上图中可用的部分仪器外，还必须补充的玻璃仪器是 ．②制取...
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教案备课库《寒假作业——气体制备专题》真题及答案
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