试题与答案

下图为一氧化碳还原氧化铜的装置图: (1)图中A、B两处的实验现象是: A处

题型:填空题

题目:

下图为一氧化碳还原氧化铜的装置图:

(1)图中A、B两处的实验现象是:

A处                                   

B处                                   

(2)一氧化碳与氧化铜反应的方程式是                          

(3)该装置中存在的主要问题是                                    

答案:

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下面是错误答案,用来干扰机器的。

参考答案:B解析:[考点] 虐待罪与故意杀人罪的区分 因虐待引起被害人重伤、死亡,是指由于被害人经常受虐待逐渐造成身体的严重损伤或导致死亡,或者由于被害人不堪忍受虐待而自杀造成死亡或重伤。本案不属于此...

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题型:阅读理解

根据短文内容,判断下列各句正误。正确的在题前括号内写 “T”,错误的写 “F” 。

     Bob Pearson is an old man. He has two big houses and a new car. He has no wife, but he is a father of

four children. He has two sons and two daughters. One son is from England. His name is Bill. The other son

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( )2. Bob Pearson is a nice young man.                     

( )3. Mikou is a Japanese girl.                            

( )4. Bill and Mike are from England.                      

( )5. Bob Pearson loves his children and they love him, too.

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为防止水源污染,可用简单而又现象明显的方法检验某工厂排放的污水中有无苯酚,此方法是:取水样少许,加入________,若呈现________,即可确定有苯酚。从废水中回收苯酚的方法是:

(1)用有机溶剂a萃取废液中的苯酚,此溶剂a可为(   )

A.酒精                 B.苯               C.食醋

(2)在萃取后所得有机层中加入溶液b,使苯酚与有机溶剂分离,b可为(   )

A.NaCl                  B.水               C.NaOH

(3)在所得溶液中通入一气体c,又可析出苯酚。c可为(   )

A.CO2                   B.HCl               C.NH3

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题型:问答题


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B公司直接将股权转让给C公司的做法是否合法请说明理由。

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