
HỌC KÌ I - HÓA 11
Quiz
•
Mathematics, Chemistry
•
11th Grade
•
Practice Problem
•
Medium
Hong Le
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63 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Trong các cặp chất sau, cặp chất nào có thể cùng tồn tại trong một dung dịch (không phản ứng)
NaOH và Na2CO3
NaHCO3 và KOH.
HNO3 và NaHCO3
NaCl và AgNO3.
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Phương trình điện ly nào dưới đây được biểu diễn đúng?
HCl ↔ H+ + Cl-
CaCO3 ↔ Ca2+ + CO32-
NaCl → Na+ + Cl-
NaOH ↔ Na+ + OH-
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Trong dung dịch Fe2(SO4)3 loãng có chứa 0,03 mol SO42–, thì số mol ion Fe3+ có trong dung dịch này là
0,04 mol
0,03 mol
0,02 mol
0,01 mol
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Dãy nào chỉ gồm những chất điện li mạnh?
CH3COOH, H2S, H2O.
HCl, NaOH, Na2CO3.
H2S, H2SO4, CaCO3.
H2O, HF, H2S.
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Cho các chất: NH4Cl, (NH4)2SO4, NaCl, MgCl2, FeCl2, AlCl3. Số chất trong dãy tác dụng với lượng dư dung dịch Ba(OH)2 tạo thành kết tủa là
2
3
4
5
6.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Chất nào sau đây không dẫn điện được?
NaOH nóng chảy
KCl nóng chảy
NaCl rắn khan
HBr trong dung môi nước
7.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Có ba dung dịch:NaOH, HCl, H2SO4.Thuốc thử dùng để phân biệt 3 dung dịch này là
Na2CO3
CaCO3
Quỳ tím
Al
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