下列实验现象的描述与实际相符合的是_刷题宝

题干

下列实验现象的描述与实际相符合的是（）

A：将二氧化碳通入紫色石蕊溶液，溶液由紫色变成蓝色

B：硫在空气中燃烧，发出明亮的蓝紫色火焰

C：细铁丝在氧气中燃烧，火星四射，生成黑色固体

D：把铁丝插入硫酸铜溶液中，溶液由蓝色变成无色

上一题下一题 0.0难度选择题更新时间:2016-09-26 05:06:30

答案(点此获取答案解析）

C

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