下列有关实验现象的描述错误的是 A.铁丝在氧气燃烧时火星四射生成�色固体b.铜丝插入硝酸银溶液中铜丝表面有银白色物质出现溶液由无色 Template




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tomski下列有关实验现象的描述错误的是 a.铁丝在氧气燃烧时火星四射生成�色固体b.铜丝插入硝酸银溶液中铜丝表面有银白色物质出现溶液由无色 coloring