
Hóa ̣̣̣̣đề 1
Authored by Hai Le
Science, Physics
1st - 12th Grade
Used 1+ times

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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
CaO
NaOH
HCl
H2O
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Theo tính chất hóa học của Bisic oxidie, CaO phản ứng được với nhóm chất nào trong các chất sau
CO2,
H20,
H2SO4,
NaOH
CO2
HNO3
H2O
HCl
SO2
Cu(OH)2
HCl
H2O
SO3
H20
KOH
H2SO4
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cho phản ứng dùng để điều chế khí Y trong phòng thí nghiệm:
X+H2SO4 -> NA2SO4 + Y + H2O
NA2SO3
SO2
NaCl
CO2
NaNO3
N2
Na2S
H2S
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
theo tính chất hóa học của H2SO4, có thể phản ứng với:
FeCl3
Cu
KOH
Ba(OH)2
Ag
Na2SO3
Fe(OH)3
FeO
Cu(OH)2
SO2
BaCl2
FeO
KOH
BaCl2
CuO
Fe
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ag dạng bột lẫn tạp chất là bột Cu. Dùng chất nào để lảm sạch Ag
AgNO3
CuCl2
Zn
Fe
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Nhóm base nào dưới đây có phản ứng với các chất quỳ tím, SO3, HCl:
KOH
Ba(OH)2
Cu(OH)2
KOH, NaOH
Ba(OH)2
NaOH
Fe(OH)3
KOH
Al(OH)3
NaOH
Zn(OH)2
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Nhóm base nào dưới đây bị nhiệt phân hủy thành bãi oxide tương ứng với nước
Cu(OH)2
Mg(OH)2
Al(OH)3
KOH
Ba(OH)2
Fe(OH)2
Fe(OH)3
Zn(OH)2
NaOH
Pb(OH)2
Fe(OH)3
KOH
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