汽油在空气中燃烧时会伴随着下列实验现象,其中最能说明汽油燃

 汽油在空气中燃烧时会伴随着下列实验现象,其中最能说明汽油燃烧是化学变化的现象是(   )

   A. 产生火焰

   B. 放出大量的热

   C. 罩在火焰上方的烧杯壁上出现小水滴

   D. 将罩在火焰上方的烧杯迅速倒过来,倒入澄清石灰水,石灰水变浑浊

答案

D

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