
AXIT
Quiz
•
Chemistry
•
8th - 9th Grade
•
Practice Problem
•
Medium
nguyen linh
Used 2+ times
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14 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Công thức cấu tạo của axit sunfurơ là:
SO3
H2SO3
CuSO3
NaHSO3
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Chất làm đổi màu quỳ tím thành đỏ là
HCl
NaOH
NaCl
H2O
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Trong số các cặp axit sau, cặp nào tác dụng được với Zn giải phóng khí H2
HCl và H2SO4 đặc
H2SO4 loãng và HNO3 loãng
HNO3 đặc và H2SO4 đặc
HCl và H2SO4 loãng.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Đơn chất tác dụng với dd H2SO4 loãng sinh ra chất khí cháy được trong Oxi là:
C
Fe
Cu
Ag
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Axit clo hiđric có thể tác dụng với dãy chất nào sau đây
CuO, Cu, Ag, AgNO3
CuO, NO, Zn, KNO3
CuO, ZnO, Zn, Zn(OH)2
MgO, Mg(OH)2 , Fe3O4 , CO2
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Phản ứng của cặp chất nào sau đây không tạo ra khí CO2:
Na2CO3 + dd H2SO4
K2CO3 + dd HCl
NaHCO3 + dd HCl
Na2CO3 + dd BaCl2
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cho các chất sau: CuO, BaCl2 , Zn, ZnO, NaCl, NaOH. Số chất tác dụng với H2SO4 loãng là:
6
5
4
3
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