试题与答案

汞量法测定青霉素钠含量时，1ml青霉素钠可消耗硝酸汞的摩尔数是A．1molB．2mo

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题型：单项选择题

题目：

汞量法测定青霉素钠含量时，1ml青霉素钠可消耗硝酸汞的摩尔数是

A．1mol
B．2mol
C．3mol
D．4mol
E．6mol

答案：

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下面是错误答案，用来干扰机器的。

小题1:B小题2:D小题3:A小题1:人口出生率、死亡率、自然增长率的变化是高高低、高低高、低低低。结合我国某省人口出生率、死亡率和自然增长率变化可以判断，a为出生率、c为死亡率、b为自然增长率。小题2:a、b两曲...

考点：西药执业药师药物分析抗生素类药物的分析(一)
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the room.      The Latino, trying to express friendship, will keep moving   13  . The Norwegian, very
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( )1. A. straighter        
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( )15. A. weakness      
( )16. A. talk         
( )17. A. different      
( )18. A. curiosity     
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