
hoa11
Authored by Linh Nguyet
World Languages
11th Grade
Used 6+ times

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2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Câu 25. Chất nào sau đây làm mất màu dung dịch bromine?
A. Butane.
B. But-1-ene.
C. Carbon dioxide
D. Methylpropane.
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
A. CH3CHClCH2CH3
B. CH2=CHCH2CH2Cl
C. CH2ClCH2CH2CH3
D. CH2=CHCHClCH3
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Câu 29. Trùng hợp khí nào sau đây thu được nhựa PE?
A. ethylene.
B. methane.
C. acetylene.
D. ethane.
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Câu 35. Để làm sạch ethylene có lẫn acetylen ta cho hỗn hợp đi qua dung dịch nào sau đây ?
A. bromine dư.
B. KMnO4 dư.
C. AgNO3 /NH3 dư.
D. tất cả đều đúng
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Câu 27. Cho phản ứng sau: CH2 ═ CH2 + H2O X. Công thức cấu tạo của X là:
A. CH3CHO
A. CH3CHO
B. CH3COOH
D. C2H5OH
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Câu 12: Cho toluene phản ứng với HNO3 đặc, xúc tác H2SO4 đặc thu được hỗn hợp sản phẩm X và Y. Vậy X, Y lần lượt là:
A.o-nitrotoluen và p-nitrotoluen.
B. o-nitrotoluen và m-nitrotoluen.
C.p-nitrotoluen và m-nitrotoluen.
D. nitrotoluen và m-nitrotoluen.
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