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29.在電解硫酸銅水溶液時,使用不同的電極,會產生不同的反應,請問下列何者正確? (A)以銅片為電極,負極產生銅 (B)以銅片為電極,水溶液顏色不變 (C)以碳棒為電極,水溶液顏色會變淡 (D)以上皆
問題詳情
29.在電解硫酸銅水溶液時,使用不同的電極,會產生不同的反應,請問下列何者正確?
(A)以銅片為電極,負極產生銅
(B)以銅片為電極,水溶液顏色不變
(C)以碳棒為電極,水溶液顏色會變淡
(D)以上皆正確。
參考答案
答案:D
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X(A)物質X匱乏時,冰棒即是美食☆ →...
上一篇 :
28.下圖分別為電解硫酸銅水溶液以及鋅銅電池的兩組實驗裝置示意圖,反應開始前,四支電極的質量都相同。反應經過一段時間後,取下四支電極烘乾後分別秤重,得知四支電極質量大小的關係為:碳棒甲>電極丙>碳棒乙
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