题干
35. Pointing to the house on ______ roof grew lots of bush, the old man told me that was ______
I would stay.
A：its ；what
B：whose ；what
C：whose ；where
D：its ；where
答案(点此获取答案解析）
C
ol/L的Ba（OH）2溶液，③pH＝10的Na2S溶液
，④pH＝5的NH4NO3溶液中，发生电离的水的物
质的量之比是( )