30 câu típ theo ( HÓA )
Quiz
•
Science
•
12th Grade
•
Practice Problem
•
Medium
Thư Trần
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30 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Hỗn hợp X gồm FeO và Al có tỉ lệ mol tương ứng 2:3. Thực hiện phản ứng nhiệt nhôm X (không có không khí) đến khi phản ứng xảy ra hoàn toàn thu được hỗn hợp gồm:
Al2O3 và Fe
Al2O3, Fe
Al, Fe và Al2O3
Al, Fe, FeO và Al2O3
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ở điều kiện thường, kim loại Fe phản ứng được với dung dịch nào sau đây?
ZnCl2
MgCl2
NaCl
FeCl3
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kim loại Fe không tan trong dung dịch nào sau đây ?
Fe(NO3)3
CuCl2
Zn(NO3)2
AgNO3
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Chất nào sau đây không bị oxi hoá bởi H2SO4 đặc, nóng là
Al
Fe3O4
FeCl2
CuO
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Trong các chất sau, chất nào phản ứng được với dung dịch H2SO4 loãng ?
CuS
FeS
S
Cu
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Oxit bị oxi hóa khi phản ứng với dung dịch HNO3 loãng là
MgO
FeO
Fe2O3
Al2O3
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Công thức hóa học của muối sắt (II) sunfat là
FeSO4
FeS
Fe2(SO3)3
Fe2(SO4)3
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