Ôn tập KT giữa kì 2-Hóa 12
9th - 12th Grade
•74 Qs
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Ôn tập KT giữa kì 2-Hóa 12
Quiz
•
Chemistry
•
9th - 12th Grade
•
Practice Problem
•
Medium
Vân Nguyễn
Used 4+ times
FREE Resource
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74 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kim loại nào sau đây có tính khử mạnh nhất?
Fe.
Cu.
Al.
Ag.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ion nào sau đây có tính oxi hoá mạnh nhất?
Cu2+.
Fe2+.
K+.
Fe3+.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Trong các cặp chất sau đây, cặp chất nào xảy ra phản ứng ?
Cu + dung dịch ZnSO4.
Zn + dung dịch Pb(NO3)2.
Ag + dung dịch CuSO4.
Ag + dung dịch HCl.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Để khử Fe3+ trong dung dịch thành Fe2+ có thể dùng dư kim loại nào sau đây?
Mg.
Cu.
Ba.
Ag.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Phương trình phản ứng nào sau đây sai?
Cu + 2Fe3+ -> 2Fe2+ + Cu2+.
Cu + Fe2+ -> Cu2+ + Fe.
Zn + Pb2+ -> Zn2+ + Pb.
Al + 3Ag+ -> Al3+ + 3Ag.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dãy các ion xếp theo chiều giảm dần tính oxi hoá là
Ag+, Cu2+, Fe3+, Fe2+.
Fe3+, Ag+, Cu2+, Fe2+.
Ag+, Fe3+, Cu2+, Fe2+.
Fe3+, Cu2+, Ag+, Fe2+.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dãy các chất tăng dần tính khử là
Al < Mg < Fe.
Fe < Mg < Al.
Mg < Fe < Al.
Fe < Al < Mg.
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