摘要:( )下列含氧酸的酸性依次增强的是:A.H2SO4.H3PO4.HClO4.H2SiO3,B.H2SO4.HClO4.H3PO4.H2SiO3,C.HClO4.H2SiO3.H2SO4.H3PO4,D.H2SiO3.H3PO4.H2SO4.HClO4.

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