小全發現在寶特瓶底部印有如附圖的符號,試問此符號代表意義為下列何者?
107國中自然2下_5-4

Quiz
•
Other
•
7th - 9th Grade
•
Medium

Yu Liu
Used 3+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
資源回收的價錢
製造的廠商代號
塑膠分類的代碼
保存的年限
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
為何保鮮膜在加熱後會變得較軟,可塑性也提高了?
氧化作用的進行,分解了保鮮膜
因為保鮮膜由纖維素構成
因為保鮮膜是熱塑性聚合物
因為保鮮膜為動物性脂肪所構成
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列哪一種塑膠受熱後不會軟化變形?
環氧樹酯
壓克力
聚乙烯
寶特瓶
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
以石油為原料,經由人工方法合成的纖維為下列何種纖維?
植物纖維
動物纖維
再生纖維
合成纖維
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
關於人造絲的敘述,下列何者是錯誤的?
具有類似於蠶絲的光澤
屬於合成纖維
其材質為纖維素
容易染色
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列哪一種纖維與植物纖維比較接近?
蠶絲
動物的毛
人造絲
耐綸
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
澱粉、纖維素、耐綸等,是由很多小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
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