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题目
题型:不详难度:来源:
If H2 burn in O2, we can get _____.
A.H2B.H2OC.O2D.H2O2

答案
B
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.
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
核心考点
试题【If H2 burn in O2, we can get _____.A.H2B.H2OC.O2D.H2O2】;主要考察你对名词所有格等知识点的理解。[详细]
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