现有下列物质:①硫粉;②红磷;③铁丝;④木炭;⑤蜡烛;按要求

现有下列物质:①硫粉;②红磷;③铁丝;④木炭;⑤蜡烛;按要求填空(填序号)

(1)只能在氧气中燃烧的是  

(2)在氧气中燃烧时有蓝紫色火焰的是  

(3)测定空气中氧气的体积分数实验时常用的物质是  

(4)在氧气中燃烧发出白光的黑色固体是  

答案

【考点】氧气的化学性质.

【分析】根据常见物质的性质、燃烧的现象分析判断回答

【解答】解:(1)上述物质中只能铁丝在氧气中燃烧;

(2)硫在氧气中燃烧时有蓝紫色火焰;

(3)测定空气中氧气的体积分数实验时常用的物质是红磷;

(4)上述物质中在氧气中燃烧发出白光的黑色固体是木炭.

故答为:(1)③;(2)①;(3)②;(4)④.

【点评】本题较为简单,了解常见物质性质、燃烧的现象等知识即可分析解答.

 

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