下列有关物质性质与用途的说法,错误的是( ) A.石墨有滑腻感

 下列有关物质性质与用途的说法,错误的是(  )

A.石墨有滑腻感,可用来作电极

B.焦炭有还原性,可用于冶金工业

C.活性炭有吸附性,可用来吸附异味

D.金刚石的硬度大,可用来切割玻璃

答案

A

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