
GKII - H11 2023 ankan
Authored by hientrang nguyen
Chemistry
12th Grade
Used 6+ times

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18 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ankan là những hiđrocacbon no, mạch hở, có công thức chung là
CnH2n+2 (n ≥1).
CnH2n (n ≥2).
CnH2n-2 (n ≥2).
CnH2n-6 (n ≥6).
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Bậc của nguyên tử cacbon đánh dấu (*) trong hợp chất sau là
I
II
III
IV
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Công thức cấu tạo thu gọn của 2,2-đimetylpropan là
(CH3)2CHCH2CH3.
(CH3)4C.
CH3CH2CH2CH2CH3.
CH3CH2CH(CH3)2.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Hiện nay, nhiều nơi ở nông thôn đang sử dụng hầm biogas để xử lí chất thải trong chăn nuôi gia súc, cung cấp nhiên liệu cho việc đun nấu. Chất dễ cháy trong khí biogas là
N2.
Cl2.
CH4.
CO2.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Công thức cấu tạo thu gọn của 2,3-đimetylbutan là
(CH3)2CH-CH(CH3)2.
(CH3)3C-C(CH3)3.
(CH3)2C-CH(CH3)2.
CH3CH2C(CH3)3.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Phần trăm khối lượng cacbon trong ankan X là 83,33 %. Công thức phân tử của X là
CH4.
C3H8.
C5H12.
C10H22.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
3- isopropylpentan.
2-metyl-3-etylpentan
3-etyl-2-metylpentan.
3-etyl-4-metylpentan.
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