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5-4
Quiz
•
Chemistry
•
9th - 12th Grade
•
Practice Problem
•
Hard
縣立永靖國中鄭傑元 縣立永靖國中鄭傑元
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FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
請問椰子油和氫氧化鈉為材料的反應為?
酯化反應
皂化反應
中和反應
取代反應
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
請問皂化反應後，鹽析使用?
飽和食鹽水
澄清石灰水
廣用試劑
酒精
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
使用鹽析的目的是使甚麼分離?
肥皂和氫氧化鈉
甘油和氫氧化鈉
酒精和甘油
肥皂和甘油
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
請問組成醣類主要的元素?
C、H、O
C、H、 N
C、H、O、N、S
O、N、S
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
肥皂和合成清潔劑比較何者正確?
硬水會使肥皂效果變差
硬水會使合成清潔劑效果變差
合成清潔劑會破壞羊毛衣物
合成清潔劑原料是油脂和鹼
6.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
何者正確?
甲端為親油端
肥皂水為酸性
吸附油汙時，由甲端與油汙吸附
甲端為親水端
7.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
有關蛋白質的敘述，何者錯誤?
構成細胞的必要物質
可以被人體直接吸收
易受熱變質
組成元素C、H、O、N、S
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