問題詳情
2. Which of the following substances will form basic solutions in an aqueous solution? NH4Cl, Cu(NO3)2, K2CO3, NaF, NaCl?
(A) NaF and NaCl only
(B) NH4Cl only
(C) K2CO3, NH4Cl , NaCl
(D)NH4Cl, Cu(NO3)2
(E)NaF and K2CO3
參考答案
答案：E
難度：簡單0.727
書單：沒有書單，新增
用户評論
【用戶】1122345
【年級】小一上
【評論內容】NH4Cl:酸性Cu(NO3)2:酸性K........