HÓA 12 - DÃY ĐIỆN HÓA KIM LOẠI
Quiz
•
Chemistry
•
12th Grade
•
Medium
Tran Thanh
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10 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Ion nào sau đây có tính oxi hóa mạnh hơn Fe2+?
Cu2+.
Mg2+.
Al3+.
Ca2+.
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Chất nào có tính khử yếu hơn Cu?
Ag.
Al.
Ni2+.
Pt2+.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Các ion kim loại sau đây có tính oxi hóa tăng dần theo thứ tự nào?
Ni2+< Fe2+< Pb2+< Cu2+ < Ag+.
Fe2+< Ni2+< Pb2+< Ag+< Cu2+.
Fe2+< Ni2+< Pb2+< Cu2+ < Ag+.
Fe2+< Ni2+< Cu2+< Pb2+ < Ag+.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dãy gồm các chất được sắp xếp theo tính khử giảm dần là
Cu > Ag > Al.
Mg > Zn > Ni.
Na > Fe > K.
Au > Sn > Ca.
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Kim loại Mg không phản ứng với dung dịch
FeCl2.
AgNO3.
H2SO4 loãng.
KCl.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cặp chất nào sau đây không phản ứng với nhau?
Na và H2O.
Al và khí oxi (đốt nóng).
Zn và dung dịch CuSO4.
Al và dung dịch CaCl2.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cho viên Zn lần lượt vào các dung dịch sau: MgCl2, HCl, CuSO4, Fe(NO3)2, AlCl3, AgNO3. Số phản ứng xảy ra là
3.
4.
5.
6.
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