实验室可用右图所示装置制备并收集氨气 1写出试管a中�生反应的化学方程式 2在图中绘出用试管收集氨气的仪器装置简图 3要 Template




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tomski实验室可用右图所示装置制备并收集氨气 1写出试管a中�生反应的化学方程式 2在图中绘出用试管收集氨气的仪器装置简图 coloring