某校化学兴趣小组为探究铁与浓硫酸的反应设计了图1图2所示装置进行实验.1能说明有so2气体产生的实验现象是b中品红溶液褪色.2图2 Template




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tomski某校化学兴趣小组为探究铁与浓硫酸的反应设计了图1图2所示装置进行实验.1能说明有so2气体产生的实验现象是b中品红溶液褪色.2图2 coloring