
112學年度下學期3段課習
Authored by 吳政芳 吳政芳
Science
8th Grade
Used 3+ times

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25 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 4 pts
3D 列印是一種製造物品工具,利用熱塑性塑膠的材料特性製作立體物品。若以「O」代表聚合物的小分子,上述塑膠材料性質和其結構示意圖的配對,最可能為下列何者?
加熱後會熔化
加熱後不會熔化
2.
MULTIPLE CHOICE QUESTION
30 sec • 4 pts
下列哪一個化學反應式為酯化反應的簡易表示方式?
酸 + 醇 → 酯 + 水
酸 + 醇 → 醛 + 水
鹼 + 酯 → 醛 + 水
鹼 + 酯 → 酸 + 水
3.
MULTIPLE CHOICE QUESTION
30 sec • 4 pts
乙醇和甲酸的性質不同,與下列何者有關?
組成原子的排列方式不同
組成原子的種類不同
組成原子的數目不同
兩化合物分子量不同
4.
MULTIPLE CHOICE QUESTION
30 sec • 4 pts
消費者飲用未採用透明的假酒會使神經系統受害,嚴重者甚至會失明或死亡,這是因為假酒中添加了何種成分?
甲醇
乙醇
乙酸乙酯
乙醛
5.
MULTIPLE CHOICE QUESTION
30 sec • 4 pts
下列氣體在化物中,有害在常溫常壓下,以液態儲存在瓦斯桶中的燃氣主要成分?
甲烷
乙炔
丙烷
苯
6.
MULTIPLE CHOICE QUESTION
30 sec • 4 pts
某特性化合物在氣體燃燒所產生的能量,會使溫室石灰水變混濁,以及讓氯化亞鈷試紙變成粉紅色,請問所產生的產物分別是什麼?
氫氣和水
二氧化碳和水
氧氣和碳
二氧化碳和酒精
7.
MULTIPLE CHOICE QUESTION
30 sec • 4 pts
下列人類所吃喝的食物,請問何者是有機物?
水
食鹽
僅含碳酸氫鈉的胃藥
奶油麵包
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