下列气体中,易溶于水且为无色的是( ) A.NO2     B.NO     C.N2

下列气体中,易溶于水且为无色的是(  )

ANO2     BNO     CN2      DNH3

答案

D   

相关题目

The manager and his workers are standing outside to welcome us ________ their fa
The manager and his workers are standing outside to welcome us ________ their factory. A. visit                                   B. to visit     C. visiting    
It ____ yesterday. A.  took me two hours to finish the job. B.  spent me two
It ____ yesterday. A.  took me two hours to finish the job. B.  spent me two hours to finish the job C.  took two hours me to finish the job D.  took me two hours finishing the job
下面各项中加点字注音无误的一项是(   )          
下面各项中加点字注音无误的一项是(   )            A.粼粼(lín)     清冽(niè)        憔悴(cuì)          须臾(yú) B.乌桕(jiù)  
2003年全国部分省爆发流行的非典型肺炎是由冠状病毒感染引
2003年全国部分省爆发流行的非典型肺炎是由冠状病毒感染引起的,它与大肠杆菌最明显的区别是(    ) A.有无成形的细胞核     B.有无细胞结构  
Look! Some apples ________ on the table. Some milk ________ in the cup. A.are
Look! Some apples ________ on the table. Some milk ________ in the cup. A.are;are  B.is;are  C.is;is  D.are;is
读下面这则材料,可以产生不同的联想或感悟。请根据你的
读下面这则材料,可以产生不同的联想或感悟。请根据你的联想或感悟写一篇文章。 有个人买了一件珍贵的瓷器,店员用破布、破棉絮将瓷器缠了起来
函数图像的对称中心是(写出通式)         
函数图像的对称中心是(写出通式)         
如图所示,平行金属轨道间的距离为d,一端跨接一个阻值为R
如图所示,平行金属轨道间的距离为d,一端跨接一个阻值为R的电阻,匀强磁场的磁感应强度为B,方向垂直于平行导轨所在平面.一根长直金属棒与轨

最新题目