某课外活动小组的同学,在实验室做锌与浓硫酸反应的实验中,甲同学认为产生的气体是 So 2 ,而乙同学认为除 外,还可能产生 H Template




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tomski某课外活动小组的同学,在实验室做锌与浓硫酸反应的实验中,甲同学认为产生的气体是 so 2 coloring