27.实验室常用如右图所示装置来进行 铜跟浓硫酸反应等一系列实验 1根据什么现象可判断铜跟浓硫酸 反应有so2生成 根据什么现象可 Template




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tomski27.实验室常用如右图所示装置来进行 铜跟浓硫酸反应等一系列实验 1根据什么现象可判断铜跟浓硫酸 coloring