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If H2 burn in O2, we can get .A. H2B. H2OC. O2D. H2O2
If H2 burn in O2, we can get .A. H2B. H2OC. O2D. H2O2
发布时间:2020-08-22 15:26:39
If H2 burn in O2, we can get .
A. H2
B. H2O
C. O2
D. H2O2
网友回答
A. H2
(答案→)B. H2O
C. O2
D. H2O2
解析:
试题分析:此题考查对语句的正确理解,及对化学的相关知识的把握,根据语境可知此题选择B。水的分子式是H2O.
考点:句意的理解。
点评:此题涉及到学科之间的相互关联。对于水的构成和化学分子式及元素符号要记清。还要理解此句的基本含义
以上问题属网友观点,不代表本站立场,仅供参考!
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