AI NHANH HƠN
Quiz
•
Chemistry
•
9th Grade
•
Hard
Thuy Vũ
Used 9+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Dãy chất gồm các oxit axit là:
CO2, SO2, NO, P2O5.
CO2, SO3, Na2O, NO2.
SO2, P2O5, CO2, SO3.
H2O, CO, NO, Al2O3.
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Chất nào sau đây góp phần nhiều nhất vào sự hình thành mưa axit ?
CO2
SO2
N2
O3
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Dãy các chất không tác dụng được với dung dịch H2SO4 loãng là:
Zn, ZnO, Zn(OH)2.
Cu, CuO, Cu(OH)2.
Na2O, NaOH, Na2CO3.
MgO, MgCO3, Mg(OH)2.
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Dung dịch KOH phản ứng với dãy oxit:
CO2; SO2; P2O5; Fe2O3
Fe2O3; SO2; SO3; MgO
P2O5; CO2; Al2O3 ; SO3
P2O5 ; CO2; CuO; SO3
5.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Cho dung dịch axit sunfuric loãng tác dụng với muối natrisunfit ( Na2SO3). Chất khí nào sinh ra ?
Khí hiđro
Khí lưu huỳnhđioxit
A. Khí oxi
A. Khí hiđro sunfua
6.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Trong tự nhiên muối natri clorua có nhiều trong:
Nước biển.
Nước mưa.
Nước sông.
Nước giếng.
7.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Để làm sạch dung dịch NaCl có lẫn Na2SO4 ta dùng:
Dung dịch AgNO3.
Dung dịch HCl.
Dung dịch Pb(NO3)2.
Dung dịch BaCl2.
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