HÓA 10 - ĐỀ CƯƠNG HKII HTK PHẦN TRẮC NGHIỆM
Quiz
•
Chemistry
•
10th Grade
•
Practice Problem
•
Easy
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64 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Số oxi hoá của Fe trong hợp chất Fe2O3 là
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Số oxi hoá của Fe trong hợp chất FeO là
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cho phản ứng hoá học sau 2Al + 6HCl → 2AlCl3 + 3H2↑. Chất oxi hoá là
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cho phản ứng hoá học sau CuO + H2 → Cu + 3H2O. Chất khử là
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cho phản ứng hóa học Fe + CuSO4 → FeSO4 + Cu. Trong phản ứng trên xảy ra
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cho phản ứng hóa học Cl2 + 2NaBr → 2NaCl + Br2. Trong phản ứng trên xảy ra
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Bromine vừa là chất oxi hoá, vừa là chất khử trong phản ứng nào sau đây?
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