
Ôn tập lý thuyết thi TN THPT QG - Buổi 15
Authored by Hải Nguyễn
Chemistry
9th - 12th Grade
Used 4+ times

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31 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Khi làm thí nghiệm với H2SO4 đặc, thường sinh ra khí SO2 không màu, mùi hắc, độc và gây ô nhiễm môi trường. Tên gọi của SO2 là
Lưu huỳnh trioxit
Lưu huỳnh đioxit
Lưu huỳnh oxit
Hiđrosunfua
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Số oxi hóa của sắt trong hợp chất Fe(NO3)2 là
+1
+2
+3
+6
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
X là kim loại nhẹ nhất, được dùng nhiều trong kĩ thuật hàng không. X là
Al
Cs
Os
Li
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Chất nào sau đây không tác dụng với kim loại Na?
C6H5OH
C2H5OH
CH3COOH
CH3COOCH3
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Chất nào sau đây là một amin bậc hai?
Etylamin
Trimetylamin
Đimetylamin
Metylamin
6.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Kim loại nào sau đây thuộc nhóm IIA trong bảng tuần hoàn?
Na
Fe
Mg
Al
7.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Trong phân tử chất nào sau đây có 2 nhóm amino (-NH2) và 1 nhóm cacboxyl (-COOH)?
Lysin
Axit glutamic
Alanin
Axit fomic
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