
Khám phá các chất
Authored by Hữu Nguyễn
Chemistry
12th Grade
Used 7+ times

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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Chất X có công thức cấu tạo HCOOCH3. Tên gọi của X là
metyl fomat.
etyl axetat.
etyl fomat.
metyl axetat.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Số đồng phân cấu tạo của este ứng với công thức phân tử C3H6O2 là
5
4
3
2
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Chất nào sau đây có mùi chuối chín?
benzyl axetat.
isoamyl axetat.
glixerol.
geranyl axetat.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Chất nào sau đây có nhiệt độ sôi thấp nhất?
HCOOCH3.
CH3COOH.
C2H5OH.
H2O.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Xà phòng hoá CH3COOC2H5 trong dung dịch KOH đun nóng, thu được muối có công thức là
C2H5OK.
HCOOK.
CH3COOK.
C2H5COOK.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Số nguyên tử oxi trong một phân tử chất béo là
2
6
4
8
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Chất nào sau đây không phải là axit béo?
Axit axetic.
Axit panmitic.
Axit stearic.
Axit oleic.
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