問題詳情
38.飲用水中若含有Cu2＋與Zn2＋兩種重金屬離子，會對健康產生危害，加入下列哪些化合物可使這兩種離子皆沉澱？
(A) Na2CO
(B) K2C2O
(C) NaCl
(D) Na2SO
(E) CH3COONa。
(A) Na2CO
(B) K2C2O
(C) NaCl
(D) Na2SO
(E) CH3COONa。
參考答案
答案：[無官方正解]
難度：適中0.5
統計：A(0),B(0),C(0),D(0),E(0)
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