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Clearnote
Q&A
Junior High
Science
C250037請問這題怎麼判斷?
Science
初中
4个月ago
Harry112452
C250037請問這題怎麼判斷?
(3) 3. 甲、乙兩實驗裝置如右圖,在實驗中發現甲實驗 的溶液溫度升高,而乙實驗的檢流計顯示有電流 產生。下列有關此兩實驗的敘述,何者正確? (A)兩實驗的鋅片上均會有銅析出 (B) 兩實驗的硫酸銅水溶液之顏色均會變淡 C37 (C) 兩實驗的反應式均為:Cutzn24 → Cu²++Zn (D)因缺少鹽橋,故甲的水溶液無法維持電中性 甲 N 鋅片 鋅片 硫酸銅溶液 檢流計 G 鹽橋 + 銅片? 硫酸鋅溶液 硫酸銅溶液
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