
nhom -12a12
Authored by nhi duong
Chemistry
1st - 2nd Grade
Used 8+ times

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61 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kim loại Al không phản ứng với dung dịch
NaOH loãng
H2SO4 đặc, nguội.
H2SO4 đặc, nóng
H2SO4 loãng
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Bình làm bằng nhôm có thể đựng được dd axit nào sau đây?
HNO3 (đặc nóng)
HNO3 (đặc nguội)
HCl
H3PO4
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Vị trí của Al trong BTH là
Chu kì 3, nhóm IIIB
Chu kì 3, nhóm IVA
Chu kì 2, nhóm IIIA
Chu kì 3, nhóm IIIA
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ở nhiệt độ cao Al khử được ion kim loại trong oxit
A.BaO
B.MgO
C. Fe2O3
D.K2O
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Nhôm tác dụng với dung dịch HCl thu được sản phẩm là
AlCl.
AlCl2.
AlCl3.
Al2Cl3.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Chỉ dùng một thuốc thử nào dưới đây có thể phân biệt được ba chất rắn Mg, Al2O3 và Al?
H2O.
Dung dịch HNO3.
Dung dịch HCl.
Dung dịch NaOH.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Phèn chua có công thức là
(NH4)2SO4.Al2(SO4)3.24H2O.
(NH4)2SO4.Fe2(SO4)3.24H2O.
CuSO4.5H2O.
K2SO4.Al2(SO4)3.24H2O.
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