
考考你:第57章 合成聚合物和塑膠
Authored by Chemistry Aristo
Chemistry
9th - 12th Grade

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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
下列哪項有關低密度聚乙烯(LDPE)和高密度聚乙烯(HDPE)的陳述不正確?
B. 與HDPE相比,LDPE較柔韌。
C. 與HDPE相比,LDPE的熔點較低。
D. 與HDPE相比,LDPE的聚合物鏈含有較多分支。
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
下列哪些有關特氟綸的陳述正確?
(1) 它屬加成聚合物。
(2) 它的系統名稱是聚四氟乙烯。
(3) 它可用作易潔鍋的塗層。
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
下列哪項有關聚對苯二甲酸乙二酯的陳述不正確?
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
下列哪些是凱庫勒的常見用途?
(1) 製造警察的避彈衣
(2) 製造濃酸的容器
(3) 製造消防員的保護衣物
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
下列哪些有關脲甲醛的陳述正確?
(1) 它的聚合物鏈含有酰胺鍵合。
(2) 它在受熱時軟化,並在冷卻後再硬化。
(3) 壓塑法可用來製造以脲甲醛製成的物品。
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
下列哪些有關硫化橡膠的陳述正確?
(1) 注塑法可用來製造以硫化橡膠製成的物品。
(2) 它可透過把天然橡膠與小量的硫混合後加熱來製造。
(3) 與天然橡膠相比,它的彈性較高。
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
下列哪個成型方法可用來製造如照片所示的包裝用盤子?
(相片來源:在 Freepik 的 azerbaijan_stockers
https://www.freepik.com/free-photo/mini-chocolate-sufle-cupcakes_14146005.htm#from_view= detail_alsolike)
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