
Đề 2 phần I
Authored by Quyên Dương
Chemistry
11th Grade
Used 1+ times

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20 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Chất nào sau đây không phải chất điện li?
C₂H₅OH
HNO₃
KOH
H₂S
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Chất nào sau đây là chất điện li yếu?
CH₃COOH
Ca(NO₃)₂
NH₄HCO₃
(NH₄)₂SO₄
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Chất nào sau đây không phân li ra ion khi hòa tan trong nước?
MgCl₂
C₆H₁₂O₆
HClO₃
Ba(OH)₂
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Chất nào sau đây thuộc loại chất điện li mạnh?
HNO₃
CH₃COOH
C₂H₅OH
NH₃
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Phương trình điện li nào dưới đây viết không đúng?
NaOH → Na+ + OH–
NH3 + H2O→ NH4+ + OH-
HNO3 → H+ + NO3-
CH3COOH <--> CH3COO– + H+
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Chất nào sau đây thuộc loại chất điện li yếu?
HNO₃
HF
NH₄NO₃
NH₄Cl
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Phương trình điện li viết đúng là
AlCl3 → Al₃⁺ + Cl₃⁻
HF ⇌ H⁺ + F⁻
NaOH ⇌ Na⁺+ OH⁻
H₂SO₄ → 2H⁺+ SO₄⁻
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