
Ôn 11
Authored by Uyen Le
Chemistry
3rd Grade
Used 11+ times

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35 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Trường hợp nào sau đây không dẫn điện được?
NaCl nóng chảy
Dung dịch C2H5OH
Dung dịch NaCl
Dung dịch HCl
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Chất nào sau là chất điện ly yếu?
HNO3
HCl
H2SO4
CH3COOH
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Chất nào sau đây là hiđroxit lưỡng tính?
Al(OH)3
NaOH
Ca(OH)2
KOH
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Chất nào sau đây là muối axit?
Na3PO4
Na2CO3
K2SO4
NaHCO3
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Trong dung dịch chất X có chứa một lượng ion H+ (proton) lớn hơn rất nhiều so với ion OH- . Dung dịch của chất X là
CuCl2
HNO3
Ba(OH)2
NH3
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Nguyên tố N thuộc nhóm nào trong bảng tuần hoàn?
VIIA
IVA
VIA
VA
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Hỗn hợp khí nào tồn tại ở nhiệt độ thường?
H2S + O2
N2 + O2
H2S + SO2
NO + O2
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