
HOÁ KTGK2
Quiz
•
Chemistry
•
12th Grade
•
Practice Problem
•
Medium
Duy Huỳnh
Used 1+ times
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60 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ở trạng thái cơ bản, số electron lớp ngoài cùng của nguyên tử kim loại kiềm là
1
2
3
4
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kim loại R thuộc nhóm IIA. Công thức oxit của R là
RO3
R2O
RO
RO2
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Vị trí của Al (Z = 13) trong bảng tuần hoàn các nguyên tố hóa học là
chu kì 2, nhóm IA
chu kì 3, nhóm IA
chu kì 2, nhóm IIIA
chu kì 3, nhóm IIIA
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Chất nào sau đây tác dụng với dung dịch H2SO4 loãng, sinh ra khí H2?
Mg(OH)2
BaO
Mg
Ca(OH)2
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Tính chất hóa học chung của kim loại là
tính oxi hóa
tính bazơ
tính khử
tính axit
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kim loại nào sau đây có nhiệt độ nóng chảy cao nhất?
Fe
W
Al
Na
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kim loại nào sau đây tác dụng được với H2O ở nhiệt độ thường?
Au
Cu
Ag
Na
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