hoaas
12th Grade
•24 Qs
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hoaas
Quiz
•
Science
•
12th Grade
•
Hard
ZeroOne. undefined
FREE Resource
24 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dung dịch H2SO4 loãng phản ứng được với kim loại nào sau đây?
Au.
Cu.
Fe.
Ag.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cho Fe tác dụng với dung dịch HNO3 đặc, nóng thu được khí X có màu nâu đỏ. Khí X là?
N2 .
N2O.
NO.
NO2 .
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cặp chất không xảy ra phản ứng là
Fe + Cu(NO3)2.
Cu + AgNO3.
Cu + AgNO3.
Ag + Cu(NO3)2.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kim loại Fe bị thụ động bởi dung dịch
H2SO4 loãng.
HCl đặc, nguội.
HNO3 đặc, nguội.
HCl loãng
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kim loại Fe phản ứng được với dung dịch
CuSO4.
Al2(SO4)3.
MgSO4.
ZnSO4.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kim loại Fe phản ứng được với dung dịch
Na2CO3.
FeCl3.
CaCl2.
KNO3.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dãy gồm các ion đều oxi hóa được kim loại Fe là?
Zn2+, Cu2+, Ag+ .
Cr2+, Cu2+, Ag+ .
Cr2+, Au3+, Fe3+ .
Fe3+, Cu2+, Ag+ .
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