
DE CUONG HOA HKII 12
Quiz
•
Chemistry
•
5th Grade
•
Medium
huyen pham
Used 4+ times
FREE Resource
64 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Số electron lớp ngoài cùng của kim loại kiềm là
1
2
3
4
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kim loại nào sau đây là kim loại kiềm?
K
Al
Ca
Mg
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kim loại nào sau đây có tính khử mạnh nhất?
Fe
K
Cu
Ag
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kim loại nào sau đây có tính khử yếu nhất?
Fe
Cu
Al
K
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ion kim loại nào sau đây có tính oxi hóa mạnh nhất?
Na+.
Mg2+.
Cu2+.
Fe2+.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Natri cacbonat có công thức là
Na2O
NaHCO3
Na2CO3
NaOH
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Natri hiđrocacbonat có công thức là
NaHCO3
Na2CO3
NaOH
Na2O
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