
yeu cun 3000
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Physics
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29 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Hiđrat hóa 2 anken chỉ tạo thành 2 ancol. Hai anken đó là
2-metylpropen và but-1-en.
propen và but-2-en.
eten và but-2-en.
eten và but-1-en.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cho các chất sau: CH2=CH-CH2-CH2-CH=CH2, CH2=CH-CH=CH-CH2-CH3,
CH3-C(CH3)=CH-CH3, CH2=CH-CH2-CH=CH2. Số chất c đồng phân hình học là
1
2
3
4
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Công thức của 2-metylbut-2-en là
CH3 - CH = CH - CH3.
CH2 = C(CH3) - CH2 - CH3
CH2 = CH – CH2 - CH3
CH3 - C(CH3) = CH - CH3.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Isopren có công thức là
CH2 = C(CH3) – CH = CH2.
CH2 = C(CH3) - CH2 - CH3.
CH2 = CH – CH2 - CH3.
CH3 - C(CH3) = CH - CH3
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Chất nào sau đây trùng hợp tạo polibutađien
CH2 = C(CH3) – CH = CH2
CH2 = CH – CH = CH2
. CH2 = CH – CH2 - CH3
CH3 - C(CH3) = CH - CH3
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
CH3 - CH2 - CH2 – C≡CH có tên thay thế là
pentan.
pent – 4 – en.
. pent – 1 - en.
pent – 1 - in
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Poli(vinyl clorua) là sản phẩm của phản ứng trùng hợp monome
CH2=CH2.
CH2=CH-CH3.
CH2=CHCl
CH2=C(Cl)-CH=CH2
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