3Cu + 8HNO3  = 3Cu(NO3)2 + 2X↑ + 4H2O 中,  X的化学式是A.N2O         

3Cu + 8HNO= 3Cu(NO3)2 + 2X↑ + 4H2O 中,  X的化学式是

A.N2O                                 B.NO                            C.NO2                           D.N2O3

 

答案

C

解析:略

 

相关题目

 回答下列问题:(1)C的名称是        ;D的俗称________
 回答下列问题:(1)C的名称是        ;D的俗称__________;F的化学式          ;A+甲→C的反应条件是            。(2)在一定条件下
C4植物维管束鞘细胞的特点是 A.细胞较大,含无基粒的叶绿
C4植物维管束鞘细胞的特点是 A.细胞较大,含无基粒的叶绿体 B.细胞较大,含有基粒的叶绿体 C.细胞较小,含无基粒的叶绿体 D.细胞较小,含有基
已知是定义在上是减函数,则的取值范围是          .
已知是定义在上是减函数,则的取值范围是          .
The students were singing happily_________ I passed the school hall. A. when 
The students were singing happily_________ I passed the school hall. A. when           B. unless             C. though
结构简式为的有机物在一定条件下能和氢气完全加成,加成产
结构简式为的有机物在一定条件下能和氢气完全加成,加成产物的一溴 代物有(不考虑—OH的取代)   (    ) A. 4种        B. 5种         C. 6种
不等式<0的解集为___________.
不等式<0的解集为___________.
He kept me __________ for many hours.    A. to wait        B. having be
He kept me __________ for many hours.    A. to wait        B. having been waited    C. waiting        D. waited    
I heard from________radio that the gang was caught in________possession of stol
I heard from________radio that the gang was caught in________possession of stolen goods. A.a;the                       B.the;/ C./;/                 

最新题目