
國二下理化Chap5-3 肥皂與清潔劑 2025 0224
Quiz
•
Chemistry
•
8th Grade
•
Practice Problem
•
Hard
Sone Wang
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20 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
製造肥皂時,為了要讓脂肪溶解並使反應速率加快,通常會加入下列何種物質?
濃食鹽水
酒精
水
硫酸
2.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
承廷想要自己作肥皂,下列原料中,真正參與反應的是哪兩種物質? 甲.食鹽水;乙.硫酸;丙.椰子油;丁.過氧化氫;戊.酒精;己.氫氧化鈉。
乙戊
丙戊
丙己
甲丁
3.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
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
1 min • 5 pts
市面上販售的手工肥皂,我們亦可以利用回鍋油再加上一些簡單的材料,做出各種有香味的肥皂。有關手工肥皂的製造,下列敘述何者正確?
回鍋油屬於洗類的一種
加入鹽酸才會進行皂化反應
加入氫氧化鈉才會進行皂化反應
加入硫酸才會進行皂化反應
5.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
肥皂的化學成分為下列何者?
丙三醇
乙酸乙酯
三酸甘油脂
脂肪酸鈉
6.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
皂化反應的另一產物甘油,其化學成分為何?
丙三醇
丙醇
丙酸
脂肪酸鈉
7.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
將肥皂加入裝有油和水的試管中搖晃,會觀察到什麼現象?
油浮在上層,肥皂溶於水中
肥皂使油水均勻混合
肥皂融於油中,油水分層
油凝結成小塊固體,沉於水中
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