
Hóa 9 hihi
Authored by Thư Thanh
Chemistry
9th Grade

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10 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Chất nào làm quỳ tím hóa đỏ?
Na2SO4
HCl
Ba(OH)2
K2O
2.
FILL IN THE BLANK QUESTION
45 sec • 1 pt
Oxit axit tác dụng với nước tạo thành.......
3.
MULTIPLE SELECT QUESTION
20 sec • 1 pt
Nhận biết axit sunfuric và muối sunfat bằng chất nào?
Ba(NO3)2
BaCl2
Fe
CaCl2
4.
FILL IN THE BLANK QUESTION
5 mins • 1 pt
Hòa tan 12g Mg=V ml dung dịch HCl 2M. Tính thể tích của HCl.
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Phân biệt H2SO4, Na2SO4
Fe, Na, Ca
Fe, Mg, Cu
Mg, Al, Fe, Zn
CuO, NaO, Mg
6.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Phân biệt HCl, KOH
quỳ tím
Fe
HCl
NaOH
7.
FILL IN THE BLANK QUESTION
2 mins • 1 pt
BaSO4 kết tủa màu gì
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