下列关于实验现象的描述不正确的是 A.铁片放入硫酸铜溶液中铁表面出现红色�属溶液变为黄色b.在蜡烛火焰上压一块白磁板磁板上出现�色 Template




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tomski下列关于实验现象的描述不正确的是 a.铁片放入硫酸铜溶液中铁表面出现红色�属溶液变为黄色b.在蜡烛火焰上压一块白磁板磁板上出现�色 coloring