下列物质（或其主要成分）的化学式与其名称不相符的是 +H:j8Y(r-^5Q-Z1_7{6@:};s/m5v/}7p.R7p;^){6?6_-X:c8I
A. 沼气（CH4）6@:};s/m5v/}7p.R7p;^){6?6_-X:c8I
B. 赤铁矿（Fe3O4）6@:};s/m5v/}7p.R7p;^){6?6_-X:c8I
C. 酒精（C2H5OH）6@:};s/m5v/}7p.R7p;^){6?6_-X:c8I
D. 石灰石（CaCO3）6@:};s/m5v/}7p.R7p;^){6?6_-X:c8I