Câu 1-20_Hoá_HK2
Authored by thuyên ngọc
Chemistry
9th - 12th Grade
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20 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Câu 1: Tính chất hóa học đặc trưng của kim loại là
tính bazơ.
tính oxi hóa.
tính axit.
tính khử
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Câu 2: Dãy kim loại sắp xếp theo tính khử tăng dần là (trái sang phải):
Fe,Al,Mg
Al,Mg,Fe
Fe,Mg,Al
Mg,Al,Fe
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Câu 3: Kim loại có tính khử mạnh nhất là
Fe
Sn
Ag
Au
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Câu 4: Kim loại nào trong số các kim loại :Al ,Fe ,Ag,Cu có tính khử mạnh nhất?
Fe
Ag
Al
Cu
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Câu 5: Kim loại nào sau đây có tính khử mạnh nhất?
Al
Fe.
Sn.
Ni.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Câu 6: Dăy ion được sắp xếp theo chiều giảm dần tính oxi hóa là
Ag+; Fe3+,Cu2+,H+,Fe2+ ,Zn2+
Zn2+; Fe2+; H+ ; Cu2+ ; Fe3+; Ag+
Ag+; Fe3+,H+,Cu2+,Fe2+ ,Zn2+
Fe3+,Ag+; Fe2+; H+ ; Cu2+ ; Zn2+
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Câu 7: Cho các ion kim loại:Zn2+,Sn2+,Ni2+,Fe2+,Pb2+.Thứ tự tính oxi hoá giảm dần là
Pb2+ > Sn2+ > Fe2+ > Ni2+ > Zn2+
Sn2+ > Ni2+ > Zn2+ > Pb2+ > Fe2
Zn2+ > Sn2+ > Ni2+ > Fe2+ > Pb2+
Pb2+ > Sn2+ > Ni2+ > Fe2+ > Zn2+
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