[Hóa 12] - Q6.1. KIM LOẠI KIỀM
Quiz
•
Chemistry
•
12th Grade
•
Practice Problem
•
Medium
LỚP HÓA CÔ QUỲNH
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kim loại kiềm có tính khử mạnh nhất là
K
Li
Cs
Na
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kim loại nào sau đây là kim loại kiềm?
Ba
Al
Na
Ca
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kim loại kiềm mềm nhất là
Na
K
Li
Cs
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kim loại kiềm có khối lượng riêng nhỏ nhất là
Na
Li
K
Cs
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Trong các hợp chất, kim loại kiềm có số oxi hóa là
+2
+1
-1
+3
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Trong công nghiệp, kim loại Na được điều chế bằng phương pháp
thủy luyện
nhiệt luyện
điện phân dung dịch
điện phân nóng chảy
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Các kim loại kiềm có
độ cứng thấp
có nhiệt độ nóng chảy cao
khối lượng riêng lớn
tính khử yếu
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