已知空气﹣锌电池的电极反应：锌片：Zn﹣2OH﹣﹣2e﹣═ZnO+H2O，石墨： 12 O2+H2O+2e﹣═2OH﹣据此推断锌片是_刷题宝

题干

已知空气﹣锌电池的电极反应：锌片：Zn﹣2OH^﹣﹣2e^﹣═ZnO+H₂O，石墨：

1

2

O₂+H₂O+2e^﹣═2OH^﹣据此推断锌片是（）

A：负极，被氧化

B：负极，被还原

C：正极，被氧化

D：正极，被还原

上一题下一题 0.0难度选择题更新时间:2017-01-16 10:08:44

答案(点此获取答案解析）

A

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b. She likes sports, singing and dancing.

c. When and where was she born?

d. She was a good student in the college.

e. Why does she become famous?

f. How old was she when she was in college?

g. That's right.

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B: Li Yuchun.

A:____

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A: So she is twenty-eight years old now.

B:____

A: Do you know where she studied?

B: Yes. She studied at Sichuan Music College.____

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