Cho các kim loại sau: Mg, Ag, Al, Fe
Có bao nhiêu kim loại tác dụng được với dd HCl
KHTN 9 - Dãy HĐHHKL + PTHH
Quiz
•
Chemistry
•
9th Grade
•
Easy
Luna Jan
Used 4+ times
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cho các kim loại sau: Mg, Ag, Al, Fe
Có bao nhiêu kim loại tác dụng được với dd HCl
1
2
3
4
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kim loại tác dụng được với dd H2SO4 loãng
Mg, Zn
Zn, Cu
Cu, Al
Ag, Cu
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Chọn chất thích hợp điền vào chỗ trống
Mg + CuSO4 ---> ........................
CuSO4 + MgSO4
Cu + Mg(SO4)2
Cu + Mg2SO4
Cu + MgSO4
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Na + H2O --> ................
Na2O
NaOH
NaOH + H2
Na2O + H2
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Zn phản ứng với H2O ở nhiệt độ cao tạo thành
ZnOH + H2
Zn(OH)2 + H2
ZnO + H2
Zn(OH)2
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ca + H2O --> ..................................
Ca(OH)2
Ca(OH)2 + H2
CaOH
CaOH + H2
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Al + O2 --> ...............
AlO
Al2O
AlO2
Al2O3
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