AgCl
Ag2CrO4
AgI
颜色
白
砖红
黄
Ksp
1.8×10﹣10
1.0×10﹣12
8.5×10﹣17
A:AgCl、Ag2CrO4、AgI饱和溶液中c(Ag+)依次减弱
B:Ag2CrO4饱和溶液中c(Ag+)约为1.0×10﹣6mol•L﹣1
C:向AgCl悬浊液加入足量KI溶液,沉淀将由白色转化为黄色
D:向等浓度的KCl与K2CrO4混合溶液中滴加少量AgNO3溶液,将生成砖红色沉淀
根据句意和首字母提示,完成句中所缺单词①We should brush our____ (tooth) every day.②—What’s Jane doing? —She’s b____ her sister.③ What is she doing for v____ ?④—How do you come to school? —I usually ride a b____ to school.⑤ I want to s ____ an e-mail to my aunt.
如图, ∠1+∠2=180° , ∠3=108° ,则 ∠4= ( )
人眼的“白眼球”和“黑眼球”实际上是指( )