八下:肥皂與皂化反應
Quiz
•
Chemistry
•
8th Grade
•
Medium
Used 9+ times
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7 questions
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1.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
製作肥皂最重要的兩項材料是什麼?
油
氫氧化鈉
乙醇(酒精)
飽和食鹽水
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
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?
回鍋油屬於烷類的一種
加入鹽酸才會進行皂化反應
加入飽和食鹽水可促使肥皂析出
肥皂會沉在飽和食鹽水下面
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
小軒想按照課本所學,嘗試在家中自行製造手工肥皂,若小軒家中沒有椰子油,他可使用下列哪種物品代替?
洗碗精
果汁
沙拉油
殺菌用酒精
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
在製造肥皂時,加入飽和食鹽水的目的為何?
減少乙醇的使用量
產生更多的肥皂
讓椰子油與氫氧化鈉水溶液更容易混合
使肥皂與甘油分離
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
古代人將動物脂肪和草木灰混合丟進河裡,洗衣服竟然變乾淨了!?請問草木灰可能是什麼物質?
鹼性物質
脂肪酸鈉
酸性物質
丙三醇
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
皂化反應的產物,具有去污能力的是什麼物質?
脂肪酸鈉
氫氧化鈉
碳酸氫鈉
丙三醇
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
石油提煉物製作的清潔劑,去汙原理和下列何者最相似?
脂肪酸鈉起泡泡
碳酸鈉=洗滌鹼
氫氧化鈉溶解油脂
鹽酸溶解鐵鏽
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