根据下列反应判断有关的物质氧化性由强到弱的顺序是 H2SO3+I2+H2O=2H

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问题:

根据下列反应判断有关的物质氧化性由强到弱的顺序是

H2SO3+I2+H2O=2HI+H2SO4                2FeCl3+2HI=2FeCl2+2HCl+I2

3FeCl2+4HNO3=2FeCl3+NO↑+2H2O+Fe(NO3)3

A.H2SO3>I->Fe2+>NO

B.HNO3>Cl2>H2SO4>Fe3+

C.HNO3>Cl2>Fe3+>H2SO4

D.NO>Fe2+>H2SO3>I-

考点:氧化性、还原性强弱的比较物质的推断
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III. 短文填词(共10小题,每小题1分,满分10分)

阅读下面短文,根据以下提示:1)汉语提示,2)首字母提示,3)语境提示,在每个空格内填人一个适当的英语单词,并将该词完整地写在右边相对应的横线上。所填单词要求意义准确,拼写正确。

An American bestseller has been popular among the students in our      

school ______(最近). It is so inspiring that I would like to recommend                  1. _________      

it to you. This book, Chicken Soup for the Soul, w______ by Jack                      2. _________      

Canfield, first appeared _______1993 and soon became a bestseller.               3. _________      

It will surely inspire readers of all ______(年龄). It has been put into                        4. _________      

many languages, spreading love to all over the world. B_________, an English              5. _________      

version is of g_________help to us English learners as it will help improve             6. _________      

our English. It costs 64 yuan. _________you can get it for 54.4 yuan through         7. _________      

online shopping, which will _________ (节省) you 9.6yuan. You can order        8. _________      

it at www.dangdang.com, and g_________the book within one week after                     9. _________       

your payment. For more_________please visit the website.                                          10. _________     

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单纯疱疹病毒引起的反复发作属于

A.急性感染
B.慢性感染
C.潜伏感染
D.慢发病毒感染
E.隐性感染

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高压试验加压过程中,应遵守哪些规定?

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加油加气站的防雷按地装置,其接地电阻不应大于()Ω。

A、4;

B、5;

C、10;

D、100.

题型:选择题

指针万用表的精度高于数字显示万用表。

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