材料与化学密切相关，表中对应关系错误的是

材料与化学密切相关，表中对应关系错误的是 (　　)

	材料	主要化学成分
A	刚玉、金刚石	三氧化二铝
B	大理石、石灰石	碳酸钙
C	普通水泥、普通玻璃	硅酸盐
D	沙子、石英	二氧化硅

答案

解析　金刚石是一种碳单质，所以A项错。

答案　A

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材料与化学密切相关，表中对应关系错误的是

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