【多选题】28-1. 分别向下列溶液通入足量 SO 2 气体,产生沉淀的溶液是
【单选题】S1:Now inspection is over. We are ready to load. This is the Notice of Readiness. Will you accept and sign it? S2:Sorry. I can't accept it now. You ship is not ready to load yet.S1:Why, the holds have...
【单选题】— What terrible weather it is? — that it'll get worse later. [ ]
C.
It report C. It said C. It supposed
【简答题】Do you know __________________? A. where does she live B. she lives where C. where she lives D. where she live 2. His parents wanted to know what he ______at that time. A. is ...
【单选题】S1:Now inspection is over. We are ready to load. This is the Notice of Readiness. Will you accept and sign it? S2:Sorry. I can't accept it now. You ship is not ready to load yet.S1:Why, the holds have...
【多选题】1 -1. 分别向下列溶液通入足量 SO 2 气体,产生沉淀的溶液是
【单选题】It is said that Harry,s sister has just come back from Australia.
【单选题】______ that there′s another good harvest this year. 43.
【单选题】下列有关化学实验操作的叙述正确的是( )
A.
在含有FeCl 2 杂质的FeCl 3 溶液中通入足量Cl 2 后,充分加热,除去过量的Cl 2 ,即可得到纯净的FeCl 3 溶液
B.
向SO 2 溶液中分别滴加Ba(NO 3 ) 2 、BaCl 2 、Ba(OH) 2 溶液,均产生BaSO 3 白色沉淀
C.
向2.0mL浓度均为0.1mol/L的KCl和Kl混合溶液中滴加1~2滴0.01mol/LAgNO 3 溶液,振荡,沉淀呈黄色,说明AgCl的Ksp比AgI的Ksp大
D.
分别电解熔融氯化镁和熔融氯化铝可以制取金属镁和金属铝
【单选题】It is said that the newly appointed president is ______ of an artist.