
HÓA 9. C5. C2H5OH, CH3COOH P1

Quiz
•
Chemistry
•
9th Grade
•
Easy
Thanh Thị
Used 1+ times
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10 questions
Show all answers
1.
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
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Rượu etylic tác dụng được với chất nào sau đây?
Na
NaOH
NaCl
Na2CO3
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Axit axetic có công thức là
HCOOH
C2H5COOH
CH2=CHCOOH
CH3COOH
4.
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%
5.
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
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Axit axetic tác dụng với kẽm giải phóng khí
hiđro (H2)
hiđro clorua (HCl)
hiđro sunfua (H2S)
amoniac (NH3)
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Công thức phân tử của axit axetic là
CH4O
C2H4O2
C2H6O
CH2O2
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