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题文

利用右图所示装置,当X、Y选用不同材料时,可将电解原理广泛应用于工业生

产。下列说法中正确的是

A.氯碱工业中,X、Y均为石墨,Y附近能得到氢氧化钠
B.铜的精炼中,X是纯铜,Y是粗铜,Z是CuSO4
C.电镀工业中,X是待镀金属,Y是镀层金属
D.外加电流的阴极保护法中,Y是待保护金属
科目 化学   题型 选择题   难度 中等
知识点: 探究电解池作用
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