
Khảo bài
Authored by Thí cute Ngọc
Chemistry
9th - 12th Grade
Used 14+ times

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28 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Chất hóa học cơ bản của kim loại nhóm 1A là
Tính khử yếu
Tính oxy hóa mạnh
Tính oxy hóa yếu
Có tính khử mạnh
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cấu hình e lớp trong lớp ngoài cùng của nguyên tử kim loại kiềm là
ns2
Ns2np2
Ns2np1
Ns1
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kim loại nào sau đây có khả năng tan vào trong nước ở nhiệt độ thường tạo dd có pH>7?
Na
Mg
Cu
Ag
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kim loại kiềm là những kim loại thuộc nhóm nào trong bảng tuần hoàn?
IA
IIA
IIA
VIIA
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ngtử 11Na Khi nhường e tạo ion có cấu hình là
1s2s’2 2p’6 3s’2
1s 2s’2 2p’6
1s2s’2 2p’6 3s’1
1s2s’2 2p’6 3s’2 3p’1
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Chất nào sau đây gọi là xút ăn da
NaNO3
NaHCO3
Na2CO3
NaOH
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Trong phòng thí nghiệm kim loại Na được bảo quản bằng cách ngâm trong chất lỏng nào sau đây
Nước
Dầu hoả
Giấm ăn
Ancol etylic
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