問題詳情
26.電解下列那些溶液，在電解過程中，溶液之 PH 值將逐漸變小?
(A)CuSO4(兩電極皆用白金片)
(B)飽和 NaCl (兩電極皆用碳棒)
(C) NiSO4(兩電極皆用鎳片)
(D) KF(兩電極皆用白金片)
(E) H2SO4(陰極用白金片，陽極用碳棒)
(A)CuSO4(兩電極皆用白金片)
(B)飽和 NaCl (兩電極皆用碳棒)
(C) NiSO4(兩電極皆用鎳片)
(D) KF(兩電極皆用白金片)
(E) H2SO4(陰極用白金片，陽極用碳棒)
參考答案
答案：A,E
難度：適中0.5
統計：A(0),B(0),C(0),D(0),E(0)
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