
HÓA 12
Authored by Nguyet Nguyet
Chemistry
12th Grade
Used 2+ times

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84 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Kim loại nào sau đây thuộc nhóm VIIIB trong bảng tuần hoàn các nguyên tố hoá học?_x000D_
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Oxit kim loại bị khử bởi khí CO ở nhiệt độ cao là_x000D_
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Kim loại nào sau đây là kim loại là kim loại kiềm thổ?
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Trong các hợp chất, nguyên tố nhôm có số oxi hóa là
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Công thức hóa học của sắt (III) hiđroxit là
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Để bảo quản natri, người ta phải ngâm natri trong_x000D_
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Cho dãy các chất: Al, Al(OH)3, Al2O3, AlCl3. Số chất lưỡng tính trong dãy là_x000D_
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