
SỰ ĐIỆN LY
Authored by Bích Ngọc
Chemistry
11th Grade
Used 5+ 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 yếu
H2SO3
5
KCl
HNO3
H2SO4
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Trong các dd sau ở điều kiện cùng nồng độ và thể tích thì dd nào dẫn điện tốt nhất
H2S
HCl
H3PO4
CH3COOH
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
pH của dd HCl 10-2 M là
4
2
3
5
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dãy nào dưới đây cho gồm các chất điện li mạnh ?
NaCl, AgCl, HNO3, Ba(OH)2, CH3COOH.
BaSO4,H2O,NaOH,HCl, CuSO4
NaClO,Al2(SO4)3,KNO3,KOH, HCl
.CaCO3,H2SO4,Ba(OH)2,HNO3,CH3COONa
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dãy nào dưới đây chỉ gồm chất điện ly mạnh
. HBr, Na2S, Mg(OH)2, Na2CO3
HNO3, H2SO4, KOH, K2SiO3
H2SO4, NaOH, H3PO4, NaF
Ca(OH)2, KOH, CH3COOH, NaCl
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Các chất nào trong dãy các chất sau đây vừa tác dụng với dung dịch kiềm mạnh vừa tác dụng với dung dịch axit mạnh
Al(OH)3 ; (NH2)2 CO ; NH4Cl
. Ba(OH)2 ; AlCl3 ; ZnO
Mg(HCO3)2 ; FeO ; KOH
NaHCO3 ; Zn(OH)2 ; CH3COONH4
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Chất nào sau đây khi hòa tan vào nước không bị điện li
CuCl2
. Saccarozơ (C12H22O11)
BaCl2
. HBr
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