下列实验现象描述错误的是 A.铜丝投入硝酸银溶液时溶液变蓝 b.�纯碱中滴加盐酸有气泡生成 C.�氯化钙溶液中通co2会出现白色沉淀 D Template




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tomski下列实验现象描述错误的是 a.铜丝投入硝酸银溶液时溶液变蓝 b.�纯碱中滴加盐酸有气泡生成 coloring