
5-2 5-3 5-4國二下理化 聚合物 肥皂 常見的有機
Quiz
•
Science
•
8th - 9th Grade
•
Hard
阿弦校長 阿弦校長
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20 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列關於石油和天然氣的敘述,何者有誤?
天然氣通常壓縮成液體,裝在鋼筒中運送到用戶
主要成分都是碳氫化合物
石油和天然氣中含有少量的硫、氮和氧
石油的分離產品中,天然氣和液化石油氣都是易燃氣體的混合物,可作家庭燃料
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
分餾石油所獲得的產物,我們判斷它是混合物,下列各項中,那一項為判斷之主要依據?
顏色不同
沸點不固定
氣體特性
燃燒快慢
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
有關酒精及酒的各項說明,何者錯誤?
常喝酒的人,容易引起血管及肝臟的疾病
高粱酒標示酒精度58%,表示每100克高粱酒含有酒精58克
變性酒精添加有毒性的甲醇,飲用之後會導致失明甚至死亡
飲酒過量會使人知覺遲鈍,酒後駕車則易肇事
4.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
下列何者是脂類、何者是醇類(複選)
甲
乙
丙
丁
5.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
實驗桌上有五種藥品:(甲)氫氧化鈉 (乙)椰子油 (丙)食鹽水 (丁)酒精 (戊)鹽酸
某同學欲使用上述某些藥品來製備肥皂,試問真正參與皂化反應的藥品是那兩種?
(複選)
氫氧化鈉
鹽酸
椰子油
食鹽水
酒精
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
肥皂分子溶於水時,長鏈狀末端帶電的原子團具有下列何種性質?
帶正電親油性
帶負電親水性
帶正電親水性
帶負電親油性
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
我們經常加入下列何種水溶液以達到肥皂與甘油分離的目的?
酒精
醋酸
飽和食鹽水
氫氧化鈉
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