
5-3八下理化
Authored by 林汎貞 林汎貞
Science
8th Grade
Used 5+ times

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25 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
有關聚合物的敘述,下列何者正確?
澱粉與蛋白質為天然的聚合物
熱塑性聚合物是由一種單體所構成,熱固性聚合物是由兩種單體所構成
熱塑性聚合物是塑膠,熱固性聚合物不是塑膠
熱塑性聚合物的分子量較小,熱固性聚合物的分子量較大。
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
葡萄糖和澱粉的關係為下列何者?
元素和化合物
小分子和聚合物
無機物和有機物
碳氫化合物和碳水化合物。
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
關於有機化合物的敘述,下列何者正確?
酒精又稱為乙酸
醋酸屬於有機化合物
耐綸是一種無機化合物
聚乙烯是熱固性聚合物。
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列敘述何者錯誤?
合成纖維是石油化學的製品
再生纖維是將植物纖維溶解,再抽製成的纖維
合成纖維有嫘縈、醋酸纖維
衣料纖維可分為天然纖維與人造纖維。
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
有關人造纖維的敘述,下列何者正確?
合成纖維又稱為人造絲
再生纖維耐拉又耐扯
再生纖維具蠶絲般的光澤,易於染色及洗滌
合成纖維的材質為纖維素。
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
部分市售的防蚊產品以「敵避」為主要成分,「敵避」分子式為 C12H17NO,熔點為-45℃,沸點為 290℃,是一種具有驅蚊功效的物質。在常溫常壓下,「敵避」應屬於下列何種物質?〔108. 會考〕
液體聚合物
液體化合物
固體聚合物
固體化合物。
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
有關衣料纖維的敘述,下列何者錯誤?
植物纖維是一種天然聚合物
羊毛保暖性佳,易染色
衣料纖維依原料來源可分為天然纖維與人造纖維
合成纖維具有防火性佳、堅韌等特性。
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