On tap cuoi ki 2 - hoa hoc 11
Quiz
•
Chemistry
•
11th Grade
•
Practice Problem
•
Medium
Hang Phan
Used 7+ times
FREE Resource
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27 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Phenol rất độc, do đó khi sử dụng phenol phải hết sức cẩn thận. Công thức của phenol là
C6H5OH
CH3OH.
C2H5OH
C6H5CH2OH.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Chất nào sau đây là ancol no, đơn chức, mạch hở?
C4H8O.
C4H10O
C4H8O2.
C4H6O.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Chất nào sau đây tác dụng được với Na?
CH3CHO.
C2H5OH.
C2H4.
C2H6.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Để điều chế C6H5ONa thì cho C6H5OH tác dụng với
khí cacbonic.
KOH.
HCl.
Na hoặc NaOH.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Chất nào sau đây tham gia phản ứng tráng gương?
.
CH3COOH.
C2H5OH.
CH3OCH3.
CH3CHO.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Axit CH3COOH không tác dụng với chất nào sau đây?
NaOH.
CaCO3
Cu.
CaO.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Fomalin hay fomon được dùng để ngâm xác động vật, thuộc da, tẩy uế, diệt trùng,… Fomalin là
dung dịch rất loãng của anđehit fomic.
dung dịch axetanđehit khoảng 40%.
dung dịch 37 – 40% fomanđehit trong nước.
tên gọi của H–CH=O.
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