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【单选题】
据某网站报道：国家质检总局称，在我国销售的德国NUK牌婴儿爽身粉含有一级致癌物滑石粉．已知滑石粉的化学式为Mg 3 （Si 4 O 10 ）（OH） 2 ，色白、、柔软、耐火．下列有关说法不正确的是（　　）
A.
滑石粉属于无机硅酸盐类物质
B.
滑石粉的组成可表示为3MgO?4SiO 2 ?H 2 O
C.
爽身粉中添加滑石粉是利用它的、柔软和耐火性
D.
滑石粉可能会与氢氟酸、NaOH溶液发生反应
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