
Kiểm tra Hk1 Hóa 9
Quiz
•
Chemistry
•
9th Grade
•
Medium
Quynh Dao
Used 5+ times
FREE Resource
25 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dãy gồm các chất đều phản ứng với dung dịch HCl là:
KOH; Al; Ag.
Cu(OH)2; Cu; Mg.
KOH; Fe; Zn
CaO; Al2O3; Cu.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dãy oxit nào tác dụng được với dung dịch H2SO4 loãng?
ZnO, Al2O3, SO2, CuO.
Fe2O3, CaO, P2O5, K2O.
MgO, Al2O3, SO3, CO2.
Fe2O3, Al2O3, CaO, K2O.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dãy các bazơ bị phân hủy ở nhiệt độ cao là:
Cu(OH)2; Mg(OH)2; Al(OH)3
Ca(OH)2; Mg(OH)2; Fe(OH)3.
KOH; Mg(OH)2; Ca(OH)2.
Ca(OH)2; KOH; NaOH.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Trong các kim loại: Al, Ag, Au, Fe, Cu; kim loại dẫn nhiệt tốt nhất là
Cu
Ag
Au
Fe
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dãy kim loại được sắp xếp theo chiều hoạt động hóa học tăng dần là:
Na, Mg, Al, Fe, Cu, Ag.
K, Ag, Mg, Na, Fe, Cu.
Fe, Cu, Al, Mg, Ag, K
Ag, Cu, Fe, Mg, Na, K.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Chất nào sau đây tác dụng với nước tạo ra dung dịch bazơ?
CO2.
P2O5.
Na2O.
Fe2O3
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Bạc có lẫn tạp chất nhôm. Hóa chất dùng để làm sạch kim loại bạc là
dung dịch AgNO3
dung dịch Al(NO3)3
dung dịch ZnCl2.
dung dịch CuSO4
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