
111-2 有機實驗 Exp 3 (20230504)
Quiz
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Chemistry
•
University
•
Medium
Hsuan-Hung Liao
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5 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列兩個化合物,何者可利用"酸鹼萃取"來分離?
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
面對"未知混合物"時,不應該使用何者技術做初步分離?
管柱層析
再結晶
過濾
酸鹼萃取
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
MgSO4/Na2SO4在萃取中的用意?
吸附有機溶劑
吸附水
吸附雜質
調節pH值
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
以下三個分子的混合物加入二氯甲烷和HCl,充分搖晃混和均勻,並靜置一段時間後,下列何者正確?
(1)、(3)在水層
(2)在有機層
(2)在水層
(1)、(3)在有機層
(1)在水層
(2)、(3)在有機層
全都在有機層
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列何者"不是"處理乳化層的方法?
加入Brine
加入更多溶劑
靜置
加熱
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