在给定条件下，下列选项所示的物质间转化均能实现的是（）A．H

在给定条件下，下列选项所示的物质间转化均能实现的是（　　）

A．H₂O₂ $\overset{Mn O_{2}}{\to}$ O₂ $\overset{S}{\underset{点燃}{\to}}$ SO₂

B．Cu $\overset{AgN o_{3}}{\to}$ Ag $\overset{稀盐酸}{\to}$ AgCl

C．酒精 $\overset{O_{2}}{\underset{点燃}{\to}}$ CO₂ $\overset{C}{\to}$ CO

D．钢铁 $\overset{O_{2}}{\underset{H_{2} O}{\to}}$ Fe₂O₃•xH₂O $\overset{稀硫酸}{\to}$ FeSO₄

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