题干

下列说法中,正确的是(   )

A:Na2O、Na2O2为相同元素组成的金属氧化物,其中Na2O2不属于碱性氧化物

B:SiO2是硅酸的酸酐,NO2是HNO3的酸酐

C:Fe(OH)3与氢碘酸反应的类型为复分解反应

D:将Fe(OH)3胶体和泥水分别进行过滤,分散质均不能通过滤纸孔隙

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A

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         Who do you think was the most important woman of the past 100 years?

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