理化八下5-4 肥皂和清潔劑
Quiz
•
Chemistry
•
7th - 9th Grade
•
Practice Problem
•
Hard
導師201劉俊廷322 導師201劉俊廷322
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7 questions
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1.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
澱粉的物質,遇碘液會呈現什麼顏色?
2.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
肥皂的製程分為三步驟為
3.
MULTIPLE CHOICE QUESTION
5 sec • 1 pt
肥皂在試管中能破除油和水的分界,讓油和水乳化,其酸鹼性為。
4.
MULTIPLE CHOICE QUESTION
5 sec • 1 pt
肥皂是一個長鏈分子,長鏈部分稱為?
5.
MULTIPLE CHOICE QUESTION
5 sec • 1 pt
肥皂是一個長鏈分子,帶有電荷的一端為?
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
小花製造肥皂的步驟如下,請問關於過程中的敘述,何者正確?
一、將椰子油和甲物質共煮,並加入乙醇幫助反應。
二、將反應完成的物質倒入飽和食鹽水中,看見了乙物質浮在食鹽水之上。
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
一株成熟的玉米中可能含有下列哪些聚合物?(甲)胺基酸、(乙)纖維素、(丙)酒精、(丁)蛋白質、(戊)油脂、(己)葡萄糖。
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