
ÔN TẬP KIỂM TRA HK2 - HÓA 9
Quiz
•
Chemistry
•
9th Grade
•
Easy
Hải Văn
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20 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Nhiệt độ sôi của rượu etylic là?
78,30C.
87,30C.
73,80C.
83,70C.
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Trong 100 ml rượu 600 có chứa...
60 ml nước và 40 ml rượu nguyên chất.
60 ml rượu nguyên chất và 40 ml nước.
40 gam rượu nguyên chất và 60 gam nước.
40 gam nước và 60 gam rượu nguyên chất.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cho rượu etylic 920 tác dụng với natri dư. Số phản ứng hóa học xảy ra là
1.
2.
3.
4.
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
C3H8O có bao nhiêu chất cấu tạo dạng rượu
1.
2.
3.
4.
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Rượu etylic tác dụng được với dãy hóa chất là
KOH; Na; O2.
Na; CH3COOH; O2.
C2H4; CH3COOH; O2.
Ca(OH)2; CH3COOH; O2.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Chất nào sau đây làm đổi màu quỳ tím?
CH3OH
CH3COOC2H5
C2H5OH
CH3COOH
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Giấm ăn là dung dịch axit axetic có nồng độ từ
2% - 5%
6% - 10%
10% - 15%
16% - 18%
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