Quiz trước tiết học: Bảo toàn và Triglixerit
Quiz
•
Chemistry
•
1st Grade - Professional Development
•
Practice Problem
•
Hard
Duong Thanh
Used 3+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Axit nao sau đây là axit béo
C17H33COOH
HCOOH
CH3COOH
C6H5COOH
2.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Axit béo nào sau đây có 1 liên kết pi trong phân tử
C17H35COOH
C17H33COOH
C17H31COOH
C15H29COOH
3.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Xà phòng hóa hoàn toàn C17H35COO)3C3H5 trong dung dịch NaOH, thu được muối có công thức là
C17H35COONa.
CH3COONa.
C17H33COONa.
C2H5COONa.
4.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Thủy phân hoàn toàn 1 mol chất béo, thu được
1 mol glixerol.
3 mol glixerol.
1 mol etylen glicol.
3 mol etylen glicol.
5.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Triolein là chất béo có công thức (C17H33COO)3C3H5. Số nguyên tử cacbon có trong một phân tử triolein là
48.
51.
54.
57.
6.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Xà phòng hóa hoàn toàn a mol triolein có công thức (C17H33COO)3C3H5 trong dung dịch NaOH, thu được a mol glixerol và
a mol natri oleat.
a mol axit oleic.
3a mol axit oleic.
3a mol natri oleat.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Khi cho 178 kg chất béo trung tính, phản ứng vừa đủ với 168 kg dung dịch KOH 20%, giả sử phản ứng hoàn toàn. Khối lượng xà phòng thu được là
122,4 kg.
193,2 kg
183,6 kg
146,8 kg
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