25.某教师在课堂上用右图所示 的装置来验证浓硫酸与铜是否�生反 应并探讨反应所产生气体的性质请 回答下列问题 1通过试管乙中�生的 Template




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tomski25.某教师在课堂上用右图所示 的装置来验证浓硫酸与铜是否�生反 应并探讨反应所产生气体的性质请 coloring