某化学兴趣小组的同学进行木炭还原氧化铜的探究实验生成物是红色固体和无色气体他们通过查阅资料后得知氧化亚铜cu2o为红色固体因此猜想 Template




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tomski某化学兴趣小组的同学进行木炭还原氧化铜的探究实验生成物是红色固体和无色气体他们通过查阅资料后得知氧化亚铜cu2o为红色固体因此猜想 coloring