NITO VA HOP CHAT

Quiz
•
Chemistry
•
11th Grade
•
Hard
Hữu Nguyễn
Used 4+ times
FREE Resource
5 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Amoniac có công thức phân tử là
N2H4.
NO2.
NH3.
NH4Cl.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Trong hợp chất HNO3, nitơ có số oxi hóa là
+2
+3
+4
+5
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Những kim loại nào sau đây không tác dụng được với dung dịch HNO3 đặc, nguội?
Fe, Al.
Cu, Ag.
Zn, Pb.
Mn, Ni.
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Phương trình phản ứng nhiệt phân nào sau đây không đúng ?
NH4Cl → NH3 + HCl.
NH4NO3 → NH3 + HNO3.
NH4HCO3 → NH3 + H2O + CO2.
NH4NO2 → N2 + 2H2O.
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Cho sơ đồ phản ứng: NH3 → X → Y → HNO3. Chất X, Y lần lượt là
N2 và NO2.
NO2 và NO.
N2 và NO.
NO và NO2.
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