giua ky hoas 11
Quiz
•
Chemistry
•
1st Grade
•
Hard
Thu Đoàn Việt
Used 4+ times
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40 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Chất nào sau đây là chất điện li mạnh
HCl
H2CO3
CH3COOH
HF
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Theo thuyết A-rê-ni-ut chất nào sau đây là axit
HCl
NaOH
Zn(OH)2
NaCl
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Chất nào sau đây được xác định là muối axit khi điện li trong nước
Na2CO3
NaHCO3
MgCl2
NaCl
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Theo thuyết A-rê-ni-ut chất nào sau đây là hiđroxit lưỡng tính
HCl
NaOH
Zn(OH)2
NaCl
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Theo định nghĩa chất nào sau đây là một axit nhiều nấc
HCl
H2SO3
CH3COOH
HF
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Muối nào sau đây không có chứa ion NH4+ trong phân tử
NH4Cl
NH4NO3
(NH4)2SO4
Na2SO4
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
hòa tan NaCl vào nước phương trình điện li nào viết đúng
NaCl → Na + Cl
NaCl → Na + Cl-
NaCl → Na+ + Cl-
NaCl → Na + Cl+
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