
Hoạt động luyện tập
Authored by Tài Nhựt
Chemistry
10th Grade
Used 3+ times

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8 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Phản ứng nào sau đây có thể tự xảy ra ở điều kiện thường?
Phản ứng nhiệt phân Cu(OH)2
Phản ứng giữa H2 và O2 trong hỗn hợp khí
Phản ứng giữa Zn và dung dịch H2SO4
Phản ứng đốt cháy cồn
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
toả nhiệt, NO2 bền vững hơn N2O4
thu nhiệt, NO2 bền vững hơn N2O4
thu nhiệt, N2O4 bền vững hơn NO2
toả nhiệt, N2O4 bền vững hơn NO2
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
+ 544 kJ/mol
- 544 kJ/mol
+ 272 kJ/mol
- 272 kJ/mol
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
(1) và (3)
(2) và (4)
(1), (2) và (4)
(1), (3) và (4)
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
288,4
144,2
-288,4
-144,2
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
388,8
194,4
291,6
412,5
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Có, phản ứng thu nhiệt
Không, phản ứng thu nhiệt
Không, phản ứng tỏa nhiệt
Có, phản ứng tỏa nhiệt
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