用坩埚钳夹住一小块刚用酸处理过的铝箔,在酒精灯上加热至熔化,

用坩埚钳夹住一小块刚用酸处理过的铝箔,在酒精灯上加热至熔化,发现熔化的铝并不滴落。下列关于上述实验现象的解释不正确的是

A.铝在空气中能很快形成氧化膜        

B.金属铝活动性较弱,不能在空气中燃烧 

C.氧化铝的熔点比铝高    

D.氧化铝薄膜包住了熔化的铝

 

答案

B

解析:略

 

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