一化学兴趣小组的同学在探究“生锈铁钉与稀硫酸的反应 时过程如下 1将一带锈铁钉小心地投入一盛有适量稀硫酸的试管中片刻后观察到溶液变为 Template




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tomski一化学兴趣小组的同学在探究“生锈铁钉与稀硫酸的反应 时过程如下 1将一带锈铁钉小心地投入一盛有适量稀硫酸的试管中片刻后观察到溶液变为 coloring