
八下自然5-3肥皂與清潔劑

Quiz
•
Science
•
8th Grade
•
Medium
葉 進坤
Used 11+ times
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15 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
肥皂的水溶液是:
中性
酸性
強鹼性
弱鹼性
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
肥皂製作過程:(甲)鹽析;(乙)皂化;(丙)加工。下列順序何者正確?
甲→乙→丙
乙→甲→丙
丙→乙→甲
乙→丙→甲
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
將肥皂加入水和沙拉油的試管中,塞上橡皮塞,搖動半分鐘後,靜置於試管架上,有關試管內的情形,下列何者正確?
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
下列有關肥皂組成的敘述,何者正確?
是由石油提煉出來的化合物
組成分子大多為碳氫化合物
洗碗精也是其中一種
是一種油脂與強酸性反應生成的物質
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
有關肥皂與合成清潔劑的敘述下列何者正確?
肥皂與合成清潔劑的去汙原理不同
肥皂在硬水中,去汙能力不受影響
合成清潔劑在硬水中,去汙能力會大受影響
合成清潔劑排放至河水中,會造成河水優養化
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
肥皂是下列哪兩種物質反應所得的產物?
油脂與甘油
油脂與食鹽水
油脂與氫氧化鈉
甘油與氫氧化鈉
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
附圖為清潔劑的分子模型,下列敘述何者完全正確?
甲端為親油性端,會吸收油汙
乙端為親油性端,會將油汙牽入水中
甲端為親水性端,會將油汙牽入水中
乙端為親水性端,會將油汙牽入水中
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