阿摩線上測驗
30. Which of the following statements is correct?
(A) NaF: acidic, cation acts as an acid )
(B)NH4CI: neutral, cation acts as an acid, and anion acts as
(C) KCN: basic, cation is from strong base； anion is from strong acid
(D) AI(NO3)3: neutral, cation is from strong base； anion is from strong acid
(E) FeCl3: acidic, hydrated cation acts as an acid
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統計： A(0), B(0), C(0), D(0), E(3) #3180681
統計： A(0), B(0), C(0), D(0), E(3) #3180681
