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【简答题】
根据反应8NH 3 +3Cl 2 ═6NH 4 Cl+N 2 ，回答下列问题： （1）用双线桥表示出该电子转移的数目和方向 （2）氧化剂是______，被氧化的元素是______，还原剂与还原产物的质量比是______． （3）当有34gNH 3 参加反应时，被氧化的物质的质量为______g，生成的还原产物的质量为______g．
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举一反三
【单选题】It is to teach a kid the way to solve problems than to tell him the solutionsdirectly.
A.
helpful
B.
the most helpful
C.
more helpful
D.
most helpful
【单选题】No one will dare to tell him the truth, in case that should vex him ______.
A.
all the much
B.
all the more
C.
all the way
D.
all the time
【单选题】The first thing we should do is to tell him the news.
A.
who
B.
which
C.
that
D.
whom
【简答题】安装(1)的服务器就成了域控制器。
【简答题】A．Ask him for pity. B．Tell him the truth. C．Tell him a white lie. D．Ask others to help you.
【单选题】If you can't remember someone's name, you may __
A.
tell him the truth
B.
tell him a white lie
C.
ask him for pity
D.
ask others to help you
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