
Kiểm tra kiến thức về hóa học
Authored by Asinnas Asinnas
Science
12th Grade
Used 3+ times

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27 questions
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1.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Sắt(III) oxit có công thức hóa học là
Fe2O3
FeO
Fe3O4
Fe(OH)2
2.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Kim loại nào sau đây không phải là kim loại kiềm thổ?
Ca
Ba
Na
Mg
3.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Trong bảng tuần hoàn, kim loại kiềm thổ thuộc nhóm nào sau đây?
IIA
IA
IIB
IB
4.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Trong bảng tuần hoàn, kim loại kiềm thuộc nhóm nào sau đây?
IIA
IA
IIB
IB
5.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Ở nhiệt độ thường, S tác dụng được với kim loại nào sau đây?
Fe
Cu
Hg
Zn
6.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Canxi hiđroxit được sử dụng rộng rãi trong nhiều ngành công nghiệp: sản xuất clorua vôi, sản xuất đường từ mía, làm mềm nước...Công thức của canxi hiđroxit là
CaCO3
Ca(OH)2
КOH
CaO
7.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Crom có số oxi hóa -6 trong hợp chất nào sau đây?
Cr2(SO4)3
Cr2O3
CrO3
Cr(NO3)2
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