
模概CH1習題
Authored by mege mege
Science
9th - 12th Grade
Used 4+ times

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20 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
塑膠主要的原料是來自於
(A)水
(B)空氣
(C)石油
(D)岩石。
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
塑膠受熱後會因化學變化而固化的是
(A)半結晶型
(B)非結晶型
(C)熱固性
(D)熱塑性塑膠。
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
聚氯乙烯易因熱與光而變質,須添加甚麼以防止分解。
(A)填充料
(B)安定劑
(C)可塑劑
(D)潤滑劑
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
PE塑膠有高密度、中密度、低密度之分,主要是因
(A)結晶化程度不同
(B)原料不同
(C)電氣絕緣性不同
(D)透明度不同。
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列何者為非結晶型塑膠的特點
(A)熔點高
(B)硬度高
(C)化學穩定性高
(D)透明度高。
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
何種塑膠化學穩定性最佳,有「塑膠中之貴金屬」之稱
(A)縮醛樹脂
(B)酚樹脂
(C)尿素樹脂
(D)氟素樹脂
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
添加發泡劑,經發泡處理後成為保麗龍的是
(A)聚乙烯
(B)聚丙烯
(C)聚氯乙烯
(D)聚苯乙烯。
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