【題目】鐵和過量稀硫酸充分反應(yīng)后，所得溶液中的溶質(zhì)是( )。

A．只有硫酸亞鐵

B．只有鐵

C．只有硫酸鐵

D．有硫酸亞鐵和硫酸

【答案】D

【解析】

試題分析：鐵和足量稀硫酸充分反應(yīng)后，生成了硫酸亞鐵，所以所得溶液中的溶質(zhì)一定含有硫酸亞鐵，考慮到稀硫酸是過量的，所以溶液中還有H2SO4。

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