我国有端午节吃粽子的风俗,“返青粽叶”包装的粽子中含有硫酸铜

我国有端午节吃粽子的风俗,“返青粽叶”包装的粽子中含有硫酸铜,误食这样的粽子有害健康。硫酸铜属于

A.混合物      B.氧化物      C.盐           D.酸

答案

C

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