luyện tập nhôm và sắt
Quiz
•
Chemistry
•
12th Grade
•
Practice Problem
•
Medium

Hong Anh
Used 75+ times
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20 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Tính chất hóa học của nhôm là tính
khử mạnh.
khử yếu.
oxi hóa yếu.
oxi hóa mạnh.
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Chất nào sau đây không phản ứng được với dung dịch NaOH?
Al2O3.
AlCl3.
NaAlO2.
Al(OH)3.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Nguyên liệu chính dùng để sản xuất nhôm là quặng
pirit.
boxit.
manhetit.
đôlômit.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Hợp chất Al2O3 có tính
lưỡng tính.
trung tính.
axit.
bazơ.
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Hợp chất Al(OH)3 đều tác dụng được với hai dung dịch nào sau đây?
NaOH, FeCl3.
HCl, NH3.
NaOH, HCl.
NaHCO3, HNO3.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Công thức hóa học của phèn chua là
(NH4)2SO4.Al2(SO4)3.24H2O.
Na2SO4.Al2(SO4)3.24H2O.
K2SO4.Al2(SO4)3.24H2O.
Li2SO4.Al2(SO4)3.24H2O.
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Phát biểu nào sau đây đúng?
Nhôm là kim loại lưỡng tính.
Hợp chất Al(OH)3 là bazơ lưỡng tính.
Hợp chất Al2O3 là hiđroxit lưỡng tính.
Hợp chất Al(OH)3 là hiđroxit lưỡng tính.
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