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[Hóa 9] HƯỚNG DẪN ÔN TẬP CUỐI KÌ II
Quiz
•
Chemistry
•
9th Grade
•
Easy
Chi Nguyễn Phương
Used 3+ times
FREE Resource
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24 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Công thức hóa học của rượu etylic là:
C2H5OH
CH3COOH
C2H4
CH4
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dãy chất gồm các chất thuộc loại hiđrocacbon là:
CH3Cl, C2H5OH, C2H2Br4
C2H6, C2H4, C6H6
C2H4, C6H6, CH3Cl
CH4, C2H5OH, C2H2
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Để loại bỏ khí axetilen trong hỗn hợp với metan người ta dùng:
N2
H2
Br2
O2
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dãy chất gồm các chất thuộc loại dẫn xuất của hiđrocacbon là:
CH3Cl, C2H5OH, C2H2Br4
C2H6, C2H4, C6H6
C2H4, C6H6, CH3Cl
CH4, C2H5OH, C2H2
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Giấm ăn là dung dịch axit axetic có nồng độ:
từ 7 - 9%
từ 5 - 10%
từ 2 - 5%
từ 5 - 7%
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Sản phẩm của phản ứng trùng hợp etilen là:
polietilen
poli (vinyl clorua)
polime
rượu etylic
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Nhiệt độ sôi của rượu etylic là:
78,3℃
7,3℃
100℃
87,3℃
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