
Lý Thuyết Hóa
Authored by Phương Linh Phạm
Chemistry
11th Grade
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66 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Chất nào trong các chất sau đây là chất điện li yếu?
H2O.
HCl.
NaOH.
NaCl.
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Dung dịch trong nước của chất nào sau đây có môi trường axit?
Na2SO4
NaOH
NaCl.
H2SO4
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Chất nào sau đây không là chất điện li?
Ancol etylic (C2H5OH).
Axit etanoic (CH3COOH).
Phèn chua (K2SO4.Al2SO4)3.24H2O).
Kali nitrat (KNO3).
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Cho phản ứng hoá học: NaOH + HCl→ NaCl + H2O. Phản ứng hoá học nào sau đây có cùng
phương trình ion rút gọn với phản ứng trên?
2KOH + FeCl2 → Fe(OH)2 + 2KCl.
NaOH + NaHCO3 → Na2CO3 + H2O.
NaOH + NH4Cl → NaCl + NH3 + H2O.
KOH + HNO3 → KNO3 + H2O.
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Trường hợp nào sau đây không dẫn điện?
Dung dịch HCl trong nước.
KCl nóng chảy.
Glixerol (C3H5(OH)3).
Nước biển.
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Cho dãy các chất: MgSO4, HCl, H2O, Ca(OH)2, Al(OH)3, H2S, HF, CH3COOH, Ba(OH)2,
CH3COONH4. Số chất điện li mạnh là
8.
6.
5
7
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Cho dãy các chất: Ca(OH)2, NH4Cl, ZnSO4, Al(OH)3, Zn(OH)2. Số chất trong dãy có tính chất
lưỡng tính là
4
5
2
3
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