
hóa 9
Authored by phanxico Nguyễn
History, Physical Ed, English
2nd Grade
Used 4+ times

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5 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
Chất tác dụng với nước tạo ra dung dịch bazơ là
CO2
Na2O
SO2
CuO
2.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
Dãy các nguyên tố được sắp xếp đúng theo chiều tính phi kim tăng dần
O, F, P
P , O, F
F, O, P
O, P, F
3.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
Dãy kim loại được sắp xếp theo chiều hoạt động hóa học tăng dần
K, Al, Mg, Cu, Fe
Cu, Fe, Mg, Al, K
Cu, Fe, Al, Mg, K
K, Cu, Al, Mg, Fe
4.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
Axit H2SO4 loãng không tác dụng với kim loại nào sau đây
Al
Fe
Mg
Ag
5.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
Thứ tự mức độ hoạt động hóa học của các kim loại: Na, Mg, Al, Fe là:
Mg > Na > Al > Fe
Na < Mg < Al < Fe
Na < Al < Mg < Fe
Na > Mg > Al > Fe
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