
第52節十分鐘小測
Quiz
•
Science
•
1st Grade
•
Practice Problem
•
Hard
QTSSCI QTSSCI
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A 酸化重鉻酸鉀水溶液
B 托倫斯試劑
C 2,4-二硝基苯肼
D 溴水
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A CH3CH2CH2OH
B CH3COCH3
C CH3CH(OH)CH3
D CH3CH2CHO
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
3 碳化合物X 能令酸化高錳酸根離子溶液變為無色,亦可與2,4-二硝基苯肼反應生成橙色沉澱物。下列哪個化合物可能是X?
A CH2=CHCH2OH
B CH3COCH3
C CH3CH2CHO
D CH2OHCH2COOH
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A 丙酮;丙酸;丙-1-醇;丙醛
B 丙醛;丙酸;丙-1-醇;丙酮
C 丙酮;丙-1-醇;丙酸;丙醛
D 丙醛;丙-1-醇;丙酸;丙酮
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A 固定相對 X 的吸附較弱,X 的 Rf 值較 Y 的大。
B 固定相對 X 的吸附較弱,X 的 Rf 值較 Y 的小。
C 固定相對 X 的吸附較強,X 的 Rf 值較 Y 的大。
D 固定相對 X 的吸附較強,X 的 Rf 值較 Y 的小。
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A 1.0
B 0.75
C 0.50
D 0.25
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