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【題組】22. 於一些實驗室使用的玻璃器材及裝置,下列敘述何者正確?(A)濾紙色層分析法所使用的展層液必為水溶液(B)在濾紙色層分析法中,墨水中的色素與濾紙作用力小, 與溶劑作用力大者移動較遠(C)碳
問題詳情
【題組】
22. 於一些實驗室使用的玻璃器材及裝置,下列敘述何者正確?
(A)濾紙色層分析法所使用的展層液必為水溶液
(B)在濾紙色層分析法中,墨水中的色素與濾紙作用力小, 與溶劑作用力大者移動較遠
(C)碳酸鈣(CaCO3)水溶液,呈現混濁狀,欲分離沉澱物與水, 可使用離心機
(D)氨氣與氧氣皆可用排水集氣法收集
(E)正確的蒸餾裝置如下圖所示。
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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