
HÓA 11.2
Authored by Duong vuthi
Chemistry
11th Grade
Used 11+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Dãy chất nào dưới đây chỉ gồm những điện li mạnh?
HNO3, Cu(NO3)2, Ca3(PO4)2, H3PO4.
CaCl2, CuSO4, KOH, HNO3.
H2SO4, NaCl, KNO3, Ba(NO3)2; HF
KCl, H2SO4, H2O, CaCl2.
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Chất nào sau đây không phân li ra ion khi tan trong nước?
NaCl.
Ba(OH)2.
C2H5OH.
HClO.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dung dịch nào sau đây dẫn điện tốt nhất?
NaCl 0,002M.
NaCl 0,01M.
NaCl 0,1M.
NaCl 0,001M.
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Chất nào sau đây khi tan vào nước không làm thay đổi pH?
Na2CO3.
HCl.
NH4Cl.
KCl.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Khi hòa tan trong nước, chất nào sau đây cho môi trường kiềm?
NH4Cl.
NaHSO4.
Ba(OH)2.
KCl.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Chất nào sau đây là hidroxit lưỡng tính?
Fe(OH)3.
Al(OH)3.
NaOH.
Mg(OH)2.
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Cho phản ứng: BaCl2 + A --> NaCl + B . Trong các câu trả lời sau, câu nào sai?
A là Na2CO3; B là BaCO3.
A là NaOH; B là Ba(OH)2.
A là Na2SO4; B là BaSO4.
A là Na3PO4 ; B là Ba3(PO4)2.
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