如右图所示装置两玻璃管中盛满滴有酚酞溶液的nacl饱和溶液c为多孔石墨电极接通s后cⅡ附�溶液变红两玻璃管中有气体生成下列说法 Template




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tomski如右图所示装置两玻璃管中盛满滴有酚酞溶液的nacl饱和溶液c为多孔石墨电极接通s后cⅡ附�溶液变红两玻璃管中有气体生成下列说法 coloring