Phần 1 - CẤT CÁNH

Quiz
•
Chemistry
•
1st - 4th Grade
•
Easy
Trần Mai
Used 3+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Nhóm chất nào sau đây đều là oxit bazơ?
SO3, N2O5, FeO
CO2, MgO, CaO
Fe2O3, Na2O, MgO
SO2, MgO, K2O
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ca(HCO3)2 là loại hợp chất nào sau đây?
Oxit
Axit
Bazơ
Muối
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dãy nào sau đây chỉ gồm công thức hóa học của các muối?
CaSO4, HCl, MgCO3
Na2CO3, H2SO4, Ba(OH)2
H2O, Na3PO4, KOH
MgCl2, Na2SO4, K2S
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Oxit được tạo thành khi đốt cháy dây sắt trong khí oxi là:
FeO
Fe2O3
Fe4O3
Fe3O4
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
NaOH
HCl
NaCl
H2O
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cho các chất sau: H2SO4, HCl, NaNO3, CuSO4, K2O, H3PO4, Mg(OH)2. Số chất thuộc loại axit là:
1
2
3
4
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Công thức hóa học của muối sắt (III) sunfat là:
FeSO4
Fe2(SO4)3
Fe3(SO4)2
Fe(SO4)2
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