实验室用下图所示装置实验.实验进行一段时间后可以看到装置c的玻璃管内氧化铜粉末转变为光亮红色管壁上有水滴生成.b瓶盛有浓硫酸干燥气体 Template




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tomski实验室用下图所示装置实验.实验进行一段时间后可以看到装置c的玻璃管内氧化铜粉末转变为光亮红色管壁上有水滴生成.b瓶盛有浓硫酸干燥气体 coloring