2008年10月8日,瑞典皇家科学院宣布美籍华裔科学家钱永健获得2008年

2008年10月8日,瑞典皇家科学院宣布美籍华裔科学家钱永健获得2008年度诺贝尔化学奖.少年时代,他就对化学产生了浓厚的兴趣.16岁时,他凭借一个金属易受硫氰酸盐腐蚀的调查项目,荣获具有“少年诺贝尔奖”之称的著名奖项.下列说法正确的是(  )                                              

A.金属腐蚀就是金属失去电子被还原的过程

B.将水库中的水闸(钢板)与外加直接电源的负极相连,正极连接到一块废铁上可防止水闸被腐蚀

C.由原电池原理知所有的合金都比纯金属更易被腐蚀

D.铜板上的铁铆钉处在潮湿的空气中发生:Fe→Fe3+3e,从而形成铁锈,但此过程铜不被腐蚀

答案

B

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