关于浓硫酸与 Cu 反应的叙述正确的是 ( ) A .在反应中,浓硫酸只表现出氧化性 B .该反应中还原剂与氧化剂物质的量之比为 1 ∶ 2 C .在反应中,浓硫酸既表现出氧化性,又表现出酸性 D .每 1 mol 铜参加反应就有 2 mol 浓硫酸被还原,同时生成 2 mol SO 2
A.
B.
C.
D.
D
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