
Aluminium
Authored by Davine Thi
Chemistry
12th Grade
Used 4+ times

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15 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Vị trí của nhôm trong bảng tuần hoàn Al (Z=13)
chu kì 3, nhóm IIIA
chu kì 3, nhóm IIA
chu kì 3, nhóm IA
chu kì 4, nhóm IIIA
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Số oxi hóa của Al trong hợp chất là
+1
+2
+3
+4
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Nhôm là kim loại
nhẹ, dẻo, bền .
nhẹ, dẻo, không bền .
nặng, dẻo, bền .
nặng, không dẻo, bền .
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Nhôm tác dụng với chất nào sau đây?
NaOH, NaCl
NaOH, HCl
NH3, HCl
KCl, KOH
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Nhôm bị thụ động hóa với chất nào sau đây?
HCl đặc nguội
H2SO4 đặc nguội
H3PO4 đặc nguội
NaOH
6.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Nhôm bền trong không khí là do
có 1 lớp Al(OH)3 bảo vệ
có 1 lớp O2 bảo vệ
có 1 lớp Al2O3 bảo vệ
có 1 lớp nước bảo vệ
7.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Công thức phèn chua là
Na2SO4.Al2(SO4)3.H2O
KAl(SO4)3.24H2O
KAl(SO4)3.24H2O
K2 SO4Al2(SO4)3.24H2O
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