
ôn tập GK 2 hóa 11
Authored by gv huong
Chemistry
11th Grade
Used 3+ times

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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Alkane là những hydrocarbon 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
Ở điều kiện thường hydrocarbon nào sau đây ở thể lỏng ?
CH4
C3H8
C4H10
C5H12.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Trong các chất dưới đây, chất nào có nhiệt độ sôi thấp nhất ?
Butane.
Ethane.
Methane.
Propane.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Thành phần chính của “khí thiên nhiên” là
methane.
ethane
propane.
butane
5.
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
Cl2.
CH4.
CO2.
N2.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ethene có công thức phân tử là
C2H4 .
C2H2.
C3H4 .
C2H6.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Acetylene có công thức phân tử là
C2H4.
CH4.
C6H6.
C2H2.
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