物质的量之比为2：5的锌与稀硝酸反应，若硝酸被还原的产物为N2O

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推理判断题

[单选题]物质的量之比为2：5的锌与稀硝酸反应，若硝酸被还原的产物为N2O，反应结束后锌没有剩余，则该反应中被还原的硝酸与未被还原的硝酸的物质的量之比是

A. 1：4
B. 1：5
C. 2：3
D. 2：5

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学习资料：

[单选题]According to Paragraph 4, what’s Jovce’s opinion about life in 1900?

A. There were fewer problems for the family
B. Life was simpler but worse than it is now
C. There were things she liked and disliked
D. The family had more time to stay together

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