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实验室里通常用MnO 2 与浓盐酸反应制取氯气，其反应的化学方程式为： MnO 2 +4HCl（浓） MnCl 2 +Cl 2 ↑+ 2H 2 O （1）在该反应中，如有1 mol Cl 2 生成，被氧化的HCl的物质的量是 mol，转移电子的物质的量是 mol。 （2）某温度下，将Cl 2 通入NaOH溶液中，反应得到含有ClO - 与ClO 3 - 物质的量之比为1∶1的混合液，反应的化学方程式是 。 （3）报纸报道了多起卫生间清洗时，因混合使用“洁厕灵”（主要成分是盐酸）与“84消毒液”（主要成分是NaClO）发生氯气中毒的事件。试根据你的化学知识分析，原因是（用离子方程式表示） 。
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参考答案：
举一反三
【单选题】In the passage, the author includes all of the following EXCEPT______.
A.
a business principle
B.
a definition of productivity
C.
an example of a successful company
D.
an illustration of a process technology.
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【简答题】When students know about the reasons for tests, they will approach them with ______.
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【简答题】Most students believe that teachers know exactly how to put their compositions           . A ． correct B ． straight C ． right D ． well
查看完整题目与答案
【单选题】According to the author, all the students know that ______.
A.
there are great differences among the lecturers as to their quality of teaching
B.
quite a lot of teachers can produce the results students desire
C.
they must be inspired to learn
D.
it is too dull to attend lectures
查看完整题目与答案
【简答题】When students know about the reasons for taking tests, they will approach them with ______.
查看完整题目与答案
【单选题】we are reconsidering those trade terms_____might be adverse to the interest of our principals.
A.
what
B.
that
C.
when
D.
where
查看完整题目与答案
【单选题】He does a bit of writing, but first and ______ he's a teacher.
A.
primary
B.
foremost
C.
principal
D.
dominant
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【单选题】---What did Miss Liu want to know? ---She wanted to know___.
A.
where did the other students go?
B.
that her students could come back.
C.
what her students have done during the trip?
D.
if her students were hurt in the accident.
查看完整题目与答案
【单选题】---Do you know if foreign students _______school uniform? --- Yes. Most British students do so.
A.
dress
B.
dress up
C.
put on
D.
wear
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【单选题】According to the passage, both Neptunism and Plutonism were named after
A.
important principles of Catastrophism or Uniformitarianism.
B.
well-known theories established by early Roman thinkers.
C.
the phenomenon they identified as essential to rock formation.
D.
the materials they claimed that rocks were composed of.
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相关题目：
【单选题】In the passage, the author includes all of the following EXCEPT______.
A.
a business principle
B.
a definition of productivity
C.
an example of a successful company
D.
an illustration of a process technology.
查看完整题目与答案
【简答题】When students know about the reasons for tests, they will approach them with ______.
查看完整题目与答案
【简答题】Most students believe that teachers know exactly how to put their compositions           . A ． correct B ． straight C ． right D ． well
查看完整题目与答案
【单选题】According to the author, all the students know that ______.
A.
there are great differences among the lecturers as to their quality of teaching
B.
quite a lot of teachers can produce the results students desire
C.
they must be inspired to learn
D.
it is too dull to attend lectures
查看完整题目与答案
【简答题】When students know about the reasons for taking tests, they will approach them with ______.
查看完整题目与答案
【单选题】we are reconsidering those trade terms_____might be adverse to the interest of our principals.
A.
what
B.
that
C.
when
D.
where
查看完整题目与答案
【单选题】He does a bit of writing, but first and ______ he's a teacher.
A.
primary
B.
foremost
C.
principal
D.
dominant
查看完整题目与答案
【单选题】---What did Miss Liu want to know? ---She wanted to know___.
A.
where did the other students go?
B.
that her students could come back.
C.
what her students have done during the trip?
D.
if her students were hurt in the accident.
查看完整题目与答案
【单选题】---Do you know if foreign students _______school uniform? --- Yes. Most British students do so.
A.
dress
B.
dress up
C.
put on
D.
wear
查看完整题目与答案
【单选题】According to the passage, both Neptunism and Plutonism were named after
A.
important principles of Catastrophism or Uniformitarianism.
B.
well-known theories established by early Roman thinkers.
C.
the phenomenon they identified as essential to rock formation.
D.
the materials they claimed that rocks were composed of.
查看完整题目与答案
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