
On HK2 Fe Cr Hoa hoc moi truong
Quiz
•
Chemistry
•
10th Grade
•
Practice Problem
•
Easy
Nguyen Tham
Used 14+ times
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54 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cấu hình electron nào sau đây là của nguyên tử Fe?
A.
[Ar] 4s23d6.
[Ar]3d64s2.
[Ar]3d8.
[Ar]3d74s1.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Trong ccá loại quặng sắt, quặng có hàm lượng sắt cao nhất là
hematit nâu(Fe2O3.nH2O)
Manhetit(Fe3O4)
Xiđerit(FeCO3)
hematit đỏ(Fe2O3 khan)
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cho sắt phản ứng với dung dịch HNO3 đặc, nóng thu được một chất khí màu nâu đỏ. Chất khí đó là
NO2.
N2O.
NH3.
N2.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Sản phẩm tạo thành có chất kết tủa khi dung dịch Fe2(SO4)3 tác dụng với dung dịch
NaOH.
Na2SO4.
NaCl.
CuSO4
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dãy gồm hai chất chỉ có tính oxi hoá là ( Chon Fe(III))
Fe(NO3)2, FeCl3.
Fe(OH)2, FeO.
Fe2O3, Fe2(SO4)3.
FeO, Fe2O3.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
HCl, NaOH.
HCl, Al(OH)3.
NaCl, Cu(OH)2.
Cl2, NaOH.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Hợp chất sắt (II) sunfat có công thức là
FeSO4.
Fe(OH)3.
Fe2O3.
Fe2(SO4)3.
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