
111-2 有機實驗 EXP 1 (20230420)

Quiz
•
Chemistry
•
University
•
Easy
Hsuan-Hung Liao
Used 8+ times
FREE Resource
5 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
本次實驗需要純化的藥物為何?
benzaldehyde
methyl benzoate
benzoic acid
benzoic anhydride
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列何者為本次"再結晶"原理?
同類互溶
熱脹冷縮
加熱分解
酸鹼反應
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
結晶置入烘箱時,為何溫度不可超過120oC?
怕燙傷
怕苯甲酸遇熱裂解
怕苯甲酸融化
怕苯甲酸爆炸
4.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
"抽氣過濾"使用順序,何者正確?
先關pump
再拔抽氣管
先拔抽氣管
再關pump
先插抽氣管
再開pump
先開pump
再插抽氣管
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
本次實驗再結晶所需的"溶劑"為何?
n-hexane
water
ethanol
benzoic acid
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