
hóa TN
Authored by 17 N3
Fun
6th - 8th Grade
Used 1+ times

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27 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dãy chất nào tác dụng với nước:
A. SO3,CaO,P2O5
C. Al2O3,SO3,CaO
B. Na2O,CuO,P2O5
D. CuO,Al2O3,Na2O
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Chất Tác Dụng Với Nước Tạo Ra Bazơ Là:
D. P₂O₅.
C. SO₂
B. Na₂O
A. CO₂
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Chất tác dụng với nước tạo ra dung dịch axit là:
CaO
C. SO₂
BaO
Na20
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Để nhận biết 2 lọ mất nhãn đựng CaO và MgO ta dùng:
HCl
B. NaOH
C. HNO3
D. Quỳ tím ẩm
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dãy các chất tác dụng với lưu huỳnh đioxit là
A. Na2O, CO2, NaOH, Ca(OH)2
B. CaO, K2O, KOH, Ca(OH)2
C. HCl, Na2O, Fe2O3, Fe(OH)3
D. Na2O, CuO, SO3, CO2
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Để điều chế dung dịch Ba(OH)2, người ta cho:
A. BaO tác dụng với dung dịch HCI
B. BaCl2tác dụng với dung dịch Na2CO3
C. BaO tác dụng với dung dịch H2O
D. Ba(NO3)2 tác dụng với dung dịch Na2SO4
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dãy oxit tác dụng với dung dịch axit clohiđric (HCl) là
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