
Ôn tập cuối HKII - lớp 9
Quiz
•
Chemistry
•
9th - 12th Grade
•
Practice Problem
•
Medium
Mai Heo
Used 3+ times
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35 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Công thức phân tử của rượu etylic là
CH4O.
C2H4O2.
C2H6O.
CH2O2.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Công thức cấu tạo của rượu etylic là
CH2 – CH3 – OH.
CH3 – O – CH3.
CH2 – CH2 – OH2.
CH3 – CH2 – OH.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Công thức phân tử của axit axetic là
CH4O.
C2H4O2.
C2H6O.
CH2O2.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Axit axetic có công thức là
HCOOH.
C2H5COOH.
CH2=CHCOOH.
CH3COOH.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Giấm ăn là dung dịch axit axetic có nồng độ là
2% - 5%.
5% - 9%.
9% -12%.
12% -15%.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Rượu etylic tác dụng được với chất nào sau đây?
Na.
NaOH.
NaCl.
Na2CO3.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Chất nào sau đây tác dụng được với Na?
CH3-CH3.
CH3-CH2-OH.
C6H6.
CH3-O-CH3.
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