下列有關聚合物的敘述,何者正確?
八下ch5-4聚合物

Quiz
•
Chemistry
•
8th Grade
•
Medium
楊 秉正
Used 1+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
聚合物通常是指由數千至數十萬個原子組成的巨大分子
纖維素是由很多蛋白質分子形成的聚合物
保麗龍為一種天然聚合物,不溶於水
熱固性塑膠加熱可熔化,冷卻後成形,具可塑性
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
下列有關衣料的敘述,何者正確?
纖維可分為人造纖維與合成纖維兩大類
人造纖維是由動物纖維經化學藥品處理加工而得
合成纖維是石油化學製品,如耐綸
嫘縈是由蠶絲構成,是一種天然動物纖維
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
塑膠已是現代生活中的常見用品,有關塑膠的敘述,下列何者正確?
加熱後一定會軟化變形
塑膠製品皆不易溶於有機溶劑中
塑膠很廉價,不需回收再利用
塑膠產品不易分解,常造成環保問題
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
已知纖維可分成:(甲)植物纖維、(乙)動物纖維、(丙)再生纖維、(丁)合成纖維,哪些屬於人造纖維呢?
甲乙
乙丙
丙丁
乙丁
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
關於合成纖維的敘述,下列何者錯誤?
以石油為原料製成
吸水性與透水性不佳
纖維較強韌,不易皺褶
主要成分為蛋白質
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
如圖代表聚合物的分子形狀,原子筆桿回收後,加熱熔化再製成其他塑膠用品,則該塑膠用品的分子結構可能是下列哪一組?
甲乙
甲丙
乙丁
丁戊
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
有關聚合物的敘述,下列何者較正確?
聚合物為多種物質黏合在一起的混合物
聚合物為很多小分子連接而成的化合物
聚合物都是人工製成的,沒有天然聚合物
磚、瓦、鋼筋、玻璃等都是聚合物
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