聚合物
Quiz
•
Science
•
8th Grade
•
Practice Problem
•
Hard
江郁星 江郁星
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15 questions
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1.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
阿綸在廚房發現了一盒PE膜,上面有如上圖的標示,根據這個標示推論此PE膜的性質,下列何者正確?
此PE膜為無機化合物
此PE膜的沸點為110℃
在-60℃時此PE膜熔化成液體
水蒸氣不易由此PE膜逸散出去
2.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
澱粉、纖維素、耐綸等,是由很多種分子所連接而成的巨大分子,我們如何稱呼此類物質?
元素
化合物
聚合物
混合物
4.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
甲.塑膠;乙.酒精;丙.葡萄糖;丁.纖維素;戊.耐綸;己.蛋白質。上述物質中不屬於聚合物者有幾種?
1
2
3
4
5.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
聚合物對於人類的生活影響甚大。請問下列有關聚合物的敘述,何者是正確的?
聚合物都是僅由一種單體所構成的巨大分子
澱粉與蛋白質為天然的聚合物
酯類是由有機酸與醇類所合成之聚合物
耐綸是被人類最早利用的天然聚合物
6.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
有關聚合物回收再利用的敘述,下列何者錯誤?
寶特瓶遇熱會軟化變形,是一種熱塑性聚合物,可以回收再製
輪胎遇熱不會軟化變形,是一種熱固性聚合物,無法回收再製
聚乙烯遇熱會軟化變形,是一種熱固性聚合物,無法回收再製
尿素甲醛樹脂無法回收再製,因為其是一種熱固性聚合物
7.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
下表為四種纖維的組成與特性,請回答問題:
這四種纖維中,哪幾種為天然纖維?
甲乙
丙丁
甲乙丙
甲丁
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