不论以何种比例混合,将甲和乙两种混合气体同时通入过量的丙溶液

不论以何种比例混合,将甲和乙两种混合气体同时通入过量的丙溶液中,一定能产生沉淀的组合是(   )

序号

 

 CO2

SO2

石灰水

HCl

CO2

石灰水

CO2

SO2

Ba(NO3)2

NO2

SO2

BaCl2

CO2

NH3

CaCl2

A.②③④   B.②③④⑤       C.①③④         D.①②③④

答案

D

相关题目

夏天剥开冰棒纸时,可以看到冰棒的周围冒“白气”,这些
夏天剥开冰棒纸时,可以看到冰棒的周围冒“白气”,这些“白气”是由空气中的水蒸气遇冷时  A.升华形成的       B.凝华形成的      C.凝
---- Do you _________ he is an excellent student?    ----Of course, he is. Wha
---- Do you _________ he is an excellent student?    ----Of course, he is. What’s more, he has a gift _____ music. A. admit; for    B. admit; over   C. permit; for    D. allow; on
---Look! Someone has broken the coffee cup!    ---Well, it ______ me    A. i
---Look! Someone has broken the coffee cup!    ---Well, it ______ me    A. isn’t           B. wasn’t              C. hasn’t been        D. hadn’t
,则f(x)=4x+的最小值为( ) A.-3                 
,则f(x)=4x+的最小值为( ) A.-3                                 B.2  C.5                                   D.7
This is by farmovie that I have ever seen. A.an inspiring           
This is by farmovie that I have ever seen. A.an inspiring             B.a much inspiring C.the most inspiring         D.the more inspiring
截至2009年10月,我国已有昆曲、端午节等29个项目被联合国教
截至2009年10月,我国已有昆曲、端午节等29个项目被联合国教科文组织列入“人类非物质文化遗产代表作名录”,跃居世界第一。重视文化遗产的保护是
The number of the students taking part in the English Corner, ______we had expec
The number of the students taking part in the English Corner, ______we had expected, was well above two hundred. A.that                B.like                 C.whom
 当前,部分中学生在日常生活消费中喜好追求名牌。针对这
 当前,部分中学生在日常生活消费中喜好追求名牌。针对这种现象,你认为正确的态度应该是     ①摒弃盲目攀比,但不反对名牌     ②名牌就是

最新题目