Phản ứng của muối
Quiz
•
Science
•
12th Grade
•
Easy
Khui Mink
Used 2+ times
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46 questions
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1.
DRAG AND DROP QUESTION
1 min • 1 pt
(a) + Na → (b) + H2
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Phản ứng nào là phản ứng nhiệt phân đúng?
Cu(NO3)2 → Cu + 2NO2 + O2
NH4NO3 → N2 + 2H2 + 1/2 O2
2Al(OH)3 → Al2O3 + 3H2O
Na2CO3 → Na2O + CO2
Answer explanation
Các phương trình đúng:
2Cu(NO3)2 → 2CuO + 4NO2 + O2↑
NH4NO3 → N2O + 2H2O
Na2CO3 không bị nhiệt phân
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cho mẫu kim loại X vào dung dịch NaOH, thấy có khí thoát ra. X là?
Al
Fe
Cu
Mg
4.
FILL IN THE BLANK QUESTION
1 min • 1 pt
2CO₂ + Ca(OH)₂ → ________
5.
DRAG AND DROP QUESTION
1 min • 1 pt
CO₂ + (a) → CaCO₃ + H₂O
6.
FILL IN THE BLANK QUESTION
1 min • 1 pt
______ + CO₂ + H₂O → 2NaHCO₃
7.
FILL IN THE BLANK QUESTION
1 min • 1 pt
CO₂ + NaOH → ______
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