下列关于金属的说法正确的是(  )A.各种金属在常温下都不能与

下列关于金属的说法正确的是(  )

A.各种金属在常温下都不能与氧气反应

B.各种金属在高温下都能与氧气反应

C.根据金属与氧气反应的难易程度可以初步比较金属的活动性

D.各种金属都能与盐酸发生置换反应

 

答案

C

解析:略

 

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