如图是某学生设计的制取氢气并用氢气还原氧化铜的装置图请指出其中错误.1长颈漏斗下端管口未伸入液面长颈漏斗下端管口未伸入液面 2左侧 Template




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tomski如图是某学生设计的制取氢气并用氢气还原氧化铜的装置图请指出其中错误.1长颈漏斗下端管口未伸入液面长颈漏斗下端管口未伸入液面 2左侧 coloring