
112-2 生科系有機實驗Exp 1
Quiz
•
Chemistry
•
University
•
Medium
Hsuan-Hung Liao
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10 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
下列哪項為本次實驗的題目
薄膜層析和層析分離法
酸鹼萃取
利用再結晶法純化苯甲酸
親核性取代反應
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
苯甲酸的分子量為何
122
123
124
125
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
本次實驗所需要的苯甲酸含量為多少
0.5 g
5 g
500 g
50 mg
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
苯甲酸的熔點為多少
110-112
122-124
132-134
117-119
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
苯甲酸含有幾個氫
5
6
7
8
6.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
在進行實驗中如果發現加入10ML的水後苯甲酸無法完全溶解,應該?
再加入10mL的水
想加多少水就加多少
慢慢加入幾滴水,直至全部溶解
沒完全溶解也沒關係
7.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
抽氣過濾前最重要的一件事是什麼
秤圓底瓶的空瓶重量
秤錐形瓶的空瓶重量
秤濾紙的重量
秤燒杯的重量
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