某校课外活动小组的同学在老师的帮助下探究用赤铁矿主要成分是fe2o3炼铁的主要反应原理.他们设计的实验装置如图所示.回答下列问题1 Template




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tomski某校课外活动小组的同学在老师的帮助下探究用赤铁矿主要成分是fe2o3炼铁的主要反应原理.他们设计的实验装置如图所示.回答下列问题1 coloring