
ĐỀ CƯƠNG CUỐI KỲ II
Quiz
•
Chemistry
•
12th Grade
•
Practice Problem
•
Medium
Điệp Trần Thị Hồng
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64 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kim loại nào sau đây điều chế được bằng phương pháp thủy luyện?
Na.
Ca.
K.
Ag.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kim loại nào sau đây là kim loại kiềm?
Ca.
Na.
Zn.
Ba.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cấu hình electron của nguyên tử Na (Z = 11) là
1s22s22p63s2.
1s22s22p6.
1s22s22p63s1.
1s22s22p63s23p1.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Hai kim loại đều thuộc nhóm IIA trong bảng tuần hoàn là
Sr, K.
Na, Ba.
Be, Al.
Mg, Ba.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Canxi hiđroxit (Ca(OH)2) còn gọi là
thạch cao khan.
đá vôi.
thạch cao sống.
vôi tôi.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Chất nào sau đây tác dụng với nước sinh ra khí H2?
Na2O.
Ca.
BaO.
Li2O.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Một mẫu nước cứng chứa các ion: Ca2+, Mg2+, HCO3-, Cl-, SO42-. Chất được dùng để làm mềm mẫu nước cứng trên là
Na2CO3.
HCl.
H2SO4.
NaHCO3.
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