
LỚP TN
Authored by Bích Thị
Science, Chemistry
12th Grade
Used 1+ times

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25 questions
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1.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Kim loại nào sau đây có tính khử yếu nhất?
Ag.
Mg.
Fe.
Al.
2.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Kim loại nào sau đây tan hết trong nước dư ở nhiệt độ thường?
Ag.
Na.
Mg.
Al.
3.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Khí X được tạo ra trong quá trình đốt nhiên liệu hóa thạch, gây hiệu ứng nhà kính. Khí X là
CO2.
H2.
N2.
O2.
4.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Thủy phân hoàn toàn 1 mol chất béo, thu được
1 mol etylen glicol.
3 mol glixerol.
1 mol glixerol.
3 mol etylen glicol.
5.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Kim loại Fe tác dụng với dung dịch nào sau đây sinh ra khí H2?
HNO3 đặc, nóng.
HCl.
CuSO4.
H2SO4 đặc, nóng.
6.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Dung dịch chất nào sau đây làm quỳ tím chuyển màu xanh?
Anilin.
Glyxin.
Valin.
Metylamin.
7.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Công thức của nhôm clorua là
AlCl3.
Al2(SO4)3.
Al(NO3)3.
AlBr3.
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