下列有关反应离子方程式错误的是A．KOH溶液与过量的SO2反应: OH-+SO2==HSO3-B．Na2SO3溶液与稀硫酸反应 SO32-+2H+==SO2↑+H2OC．NaHSO3溶液中通入氯气:HSO3-+Cl2 +H2O==SO42-+3H++2Cl-D．石灰石与稀硝酸反应:CO32-+2H+==H2O+CO2↑ 题目和参考答案——青夏教育精英家教网—

精英家教网 > 初中英语 > 题目详情

下列有关反应离子方程式错误的是

A．KOH溶液与过量的SO₂反应: OH^—+SO₂==HSO₃^—

B．Na₂SO₃溶液与稀硫酸反应 SO₃^2—+2H⁺==SO₂↑+H₂O

C．NaHSO₃溶液中通入氯气:HSO₃^—+Cl₂+H₂O==SO₄^2—+3H⁺+2Cl^—

D．石灰石与稀硝酸反应:CO₃^2—+2H⁺==H₂O+CO₂↑

D解析:
略

练习册系列答案

课课练与单元测试系列答案

世纪金榜小博士单元期末一卷通系列答案

单元测试AB卷台海出版社系列答案

黄冈新思维培优考王单元加期末卷系列答案

年级	高中课程	年级	初中课程
高一	高一免费课程推荐！	初一	初一免费课程推荐！
高二	高二免费课程推荐！	初二	初二免费课程推荐！
高三	高三免费课程推荐！	初三	初三免费课程推荐！
更多初中、高中辅导课程推荐,点击进入>>

相关习题

科目：初中英语 来源： 题型：

Everybody wants to be healthy. Everybody knows food is very important. There are many healthy foods. You can have more bananas, apples, oranges, tomatoes and lettuce because fruits and vegetables are good for you. But don’t eat too much chocolate. It’s not healthy food. Healthy food can make you strong and happy. Remember there is an old saying, “An apple a day keeps a doctor away.” Sports can also keep you healthy. Get up early and do sports every day. Don’t be lazy! You will be healthy and happy
【小题1】 Which is right?    _____________
A. Everybody is healthy    B. We want to be healthy    C. We are important
【小题2】 What are healthy foods?    _________________
A. Fruits and vegetables        B.bananas, apples and chocolate C. Fruits and chocolate
【小题3】 Why are healthy foods good for you? ________________
A. They make you happy.     B. They make you grow strong.
C. They make you strong and happy.
【小题4】“An apple a day keeps a doctor away!” means ______________.
A. the doctor goes away when he sees an apple
B. the doctor runs away when you give him an apple
C. you eat an apple every day and you can be healthy.
【小题5】 What keep you healthy?
A. Fruits and vegetables        B. Healthy foods and sports C. Healthy foods

查看答案和解析>>

科目：初中英语 来源： 题型：

语音知识（5分）
1. A. was          B. watch            C. what         D. water
2. A. much         B. future           C. student      D. computer
3. A. school           B. cook         C. took         D. look
4. A. won          B. come         C. color            D. movie
5. A. helped          B. visited         C. watched      D. talked

查看答案和解析>>

科目：初中英语 来源： 题型：

As we all know, no one is perfect, and everyone has his own ______.

A．mistakes

B．weakness

C．tricks

D．benefits

查看答案和解析>>

科目：初中英语 来源： 题型：

补全对话（5小题，每小题2分，共10分）
A: Hello, Xiaoming . 【小题1】______________________________？
B: I’ m sending an e—mail to one of my good friends .
A:You are great ! But 【小题2】__________________________________.Could you please teach me how to do it ?
B: Certainly ! 【小题3】_______________________. Well , I have finished sending it .
A:Is it easy to send an e—mail ?
B: 【小题4】____________. Please look at me . I will show you how to do it . First , 【小题5】_____________________________. You can see a picture of a letter on the screen . Click on that , a box will appear -----
A: Thank you .
B: My pleasure .

查看答案和解析>>

科目：初中英语 来源： 题型：

Could you please ________ the TV a little? It’s too noisy.

A．turn on

B．turn down

C．turn off

D．turn up

查看答案和解析>>

科目：初中英语 来源： 题型：

下列装置或操作能达到实验目的的是