國中理化第四冊5-2+3
Quiz
•
Science
•
8th Grade
•
Practice Problem
•
Medium
王維義 王維義
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20 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
甲醚和酒精的分子式相同,都是C2H6O,但是物理和化學性質卻明顯不同,原因為何?
結合原子的排列方式不同
結合原子的種類不同
結合原子的數目不同
結合原子的質量不同
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
小當家在中國到處學習、修行,想要追尋能做出好菜的竅門,某天他得到十全大師的指點,十全大師告訴他在炒菜時先加一些老酒,再放些醋,如此一來,菜就會香噴噴了。小當家依循著十全大師的指導,果然做出了好菜。請問這是因為酒和醋在熱鍋中反應產生了下列哪一類有機化合物所致?
烷類
醇類
酸類
酯類
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
將沙拉油與水置入試管中,用玻璃棒攪拌,然後放置一段時間,下列何者是試管內正確的分布圖?
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
承廷第一次洗碗時,看見浸泡碗盤的水盆中浮著一層油膩膩的食用油,當他將某種溶液加入之後,油汙隨即散開,則此溶液可能為何?
礦泉水
肥皂水
檸檬汁
食鹽水
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
如附圖所示,圖中何者是肥皂分子的親水性端?
甲
乙
丙
乙丙
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列關於清潔劑特性的敘述,何者正確?
A
B
C
D
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下圖為三種有機化合物的原子結構示意圖。若以、和分別代表氫原子、碳原子和氧原子,則有關此三種有機化合物的學名,下列何者正確?
甲為乙醇,乙為乙酸,丙為丁烷
甲為乙酸,乙為乙醇,丙為丙烷
甲為乙醇,乙為乙酸,丙為丙烷
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