下列对于实验现象描述正确的是 A将细铁丝放入氧气中火星四射生成一种�色固体b将红色的铜丝在酒精灯火焰上加热会变成�色c�盛有铝 Template




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tomski下列对于实验现象描述正确的是 a将细铁丝放入氧气中火星四射生成一种�色固体b将红色的铜丝在酒精灯火焰上加热会变成�色c�盛有铝 coloring