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