
ôn hoá hk2-k12MC-cô Phúc
Quiz
•
Chemistry
•
12th Grade
•
Practice Problem
•
Medium
agattaphuc kim
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200 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Câu 1: Kim loại phản ứng với dung dịch kiềm, giải phóng khí H2 là
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Câu 2: Xác định chất X thỏa mãn sơ đồ sau: Al2O3 + X (dd) NaAlO2 + H2O
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Câu 3: Xác định chất X thỏa mãn sơ đồ sau: hidroxit X oxit Y + H2O
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Câu 4: Hợp chất M2SO4.Al2(SO4)3.24H2O được gọi là phèn nhôm nếu M là kim loại nào?
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Câu 5: Oxit nào lưỡng tính?
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Câu 6: Xác định chất X thỏa mãn sơ đồ sau: Al(OH)3 + X (dd) Al(NO3)3 + H2O
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Câu 7: Cho phản ứng: aAl + bHNO3 cAl(NO3)3 + dNO + eH2O. Hệ số a, b, c, d, e là các số nguyên, tối giản. Tổng (a + b) bằng
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