33 下列何者屬於強陽離子交換劑(Strong cationic exchanger)?
(A) Carboxylic acid
(B) Polyamine
(C) Quaternary ammonium salt
(D) Sulfonic acid
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統計: A(112), B(69), C(482), D(1364), E(0) #411881
統計: A(112), B(69), C(482), D(1364), E(0) #411881