2013年4月24日,东航首次成功进行了由地沟油生产的生物航空燃油的

2013424,东航首次成功进行了由地沟油生产的生物航空燃油的验证飞行。能区别地沟油(加工过的餐饮废弃油)与矿物油(汽油、煤油、柴油等)的方法是

A. 点燃,能燃烧的是矿物油

B. 测定沸点,有固定沸点的是矿物油

C. 加入足量氢氧化钠溶液共热,不分层的是地沟油

D. 加入水中,浮在水面上的是地沟油

答案

C

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