
SỰ ĐIỆN LI
Authored by Hà Phạm
Chemistry
1st Grade
Used 136+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Chất nào sau đây không phải chất điện li?
BaSO4.
CH3COOH.
Ca(OH)2.
C2H5OH.
2.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Dãy gồm những chất điện li mạnh là
CH3COONa, HCl, NaOH.
NaCl, H2S, CH3COONa.
H2SO4, Na2SO4, H3PO4
KOH, HCN, Ca(NO3)2.
3.
MULTIPLE CHOICE QUESTION
5 sec • 1 pt
Chất khi tan trong nước tạo thành dung dịch dẫn điện là
C2H5OH
NaCl
Saccarozơ.
C3H5(OH)3
4.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Nhóm chất nào sau đây chỉ gồm các chất điện li?
Na2CO3, NH4NO3, H3PO4
HNO3, NH3, P2O5
NaNO3,H3PO4, CO2
NaOH, (NH4)2CO3, SiO2
5.
MULTIPLE CHOICE QUESTION
5 sec • 1 pt
Công thức hóa học của chất mà khi điện li tạo ra ion Fe3+ và NO3‒ là
Fe(NO3)2.
Fe(NO3)3.
Fe(NO2)2.
Fe(NO2)3.
6.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Trong dung dịch HCl (dung môi là nước) có thể chứa
HCl, H+ , Cl‒ .
H+ , Cl‒ .
HCl
H+ , HCl
7.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Trong dung dịch HClO (dung môi là nước) có thể chứa
HClO, H+ , ClO‒ .
H+ , ClO‒ .
HClO
H+ , HClO
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