冶炼金属一般有下列四种方法:①焦炭法;②水煤气法;③活泼金属

冶炼金属一般有下列四种方法:①焦炭法;②水煤气法;③活泼金属置换法;④电解法。古代有:(I)火烧孔雀石炼铜;(Ⅱ)湿法炼铜。现代有:(Ⅲ)铝热法炼铬;(Ⅳ)从光卤石中炼镁。对它们冶炼方法进行对照分析,不正确的是  (      )                       

A. Ⅰ,①       B. Ⅱ,②       C.Ⅲ,③          D.Ⅳ,④

 

答案

B

解析:略

 

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