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Yahoo!奇摩知識+ - 分類問答 - 科學常識 - 發問中
Yahoo!奇摩知識+ - 分類問答 - 科學常識 - 發問中
中學化學~三則有機化合物之題目
Jun 17th 2013, 06:45

題目一:有關聚合物的敘述,下列何者正確?
(A)澱粉和蛋白質為天然的聚合物(B)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(C)熱塑性聚合物是塑膠,熱固性聚合物不是塑膠(D)熱塑性聚合物的分子量較小,熱固性聚合物的分子量較大

標準答案是(A)~請問(B)(C)(D)為何不對?

題目二:有關聚氯乙烯的敘述,下列何者錯誤?
(A)簡稱PVC(B)不導電,是包覆電線的材料(C)比聚乙烯較難承受酸的腐蝕(D)容易著色

標準答案為(C)

題目三:PVC/PE/寶特瓶/耐綸都是熱塑性聚合物(鏈狀聚合物)!

請板上各位化學達人賜教~謝謝!

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