ÔN TẬP HKI KHTN 8 2025 - 2026
Quiz
•
Science
•
8th Grade
•
Practice Problem
•
Easy
Phương Trần
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38 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Hợp chất tan trong nước tạo ra ion H+ là hợp chất nào?
Acid
Base
Oxide
Muối
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Hợp chất tạo ra khi thay ion H+ trong acid bằng ion kim loại hoặc ion ammonium NH4+ là hợp chất nào?
Acid
Base
Oxide
Muối
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Oxide là hợp chất ...
của oxygen và 1 nguyên tố khác
của oxygen và 2 nguyên tố khác
của oxygen và 1 nguyên tố phi kim
của oxygen và 1 nguyên tố kim loại
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Oxide acid gồm
SO3, SO2, CO2, P2O5, N2O5
CO, NO, N2O
Al2O3, ZnO
Na2O, CuO, Fe2O3
Answer explanation
Mẹo nhớ OA = S, Si, C, P, N
Trừ CO, NO, N2O là OTT
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Oxide trung tính gồm
SO3, SO2, CO2, P2O5, N2O5
CO, NO, N2O
Al2O3, ZnO
Na2O, CuO, Fe2O3
Answer explanation
OTT = CÔ Nổ, N2O
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Oxide lưỡng tính gồm
SO3, SO2, CO2, P2O5, N2O5
CO, NO, N2O
Al2O3, ZnO
Na2O, CuO, Fe2O3
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Oxide base gồm
SO3, SO2, CO2, P2O5, N2O5
CO, NO, N2O
Al2O3, ZnO
Na2O, CuO, Fe2O3
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